Home / 4,005,987.68-5,525,249.28-2,782,294.76

Finding the Fourth Proportional to 4,005,987.68, 5,525,249.28 and 2,782,294.76

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Solution

The fourth proportional to 4,005,987.68, 5,525,249.28 and 2,782,294.76 is: 3,837,473.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,005,987.68 : 5,525,249.28 = 2,782,294.76 : x
  2. Step 2: Convert to fraction form
    4,005,987.68/5,525,249.28 = 2,782,294.76/x
  3. Step 3: Cross multiply
    4,005,987.68x = 5,525,249.28 × 2,782,294.76
  4. Step 4: Simplify right side
    4,005,987.68x = 15,372,872,119,437.77
  5. Step 5: Solve for x
    x = 15,372,872,119,437.77/4,005,987.68
  6. Step 6: Final answer
    x = 3,837,473.64

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Double scale
Find fourth proportional to 4,005,988.68, 5,525,250.66 and 2,782,295.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.