Home / 3,143,520-4,338,757.44-1,997,376.48

Finding the Fourth Proportional to 3,143,520, 4,338,757.44 and 1,997,376.48

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Solution

The fourth proportional to 3,143,520, 4,338,757.44 and 1,997,376.48 is: 2,756,824.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143,520 : 4,338,757.44 = 1,997,376.48 : x
  2. Step 2: Convert to fraction form
    3,143,520/4,338,757.44 = 1,997,376.48/x
  3. Step 3: Cross multiply
    3,143,520x = 4,338,757.44 × 1,997,376.48
  4. Step 4: Simplify right side
    3,143,520x = 8,666,132,063,081.01
  5. Step 5: Solve for x
    x = 8,666,132,063,081.01/3,143,520
  6. Step 6: Final answer
    x = 2,756,824.22

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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.