Home / 3,415,865.36-4,713,724.68-1,887,933.20

Finding the Fourth Proportional to 3,415,865.36, 4,713,724.68 and 1,887,933.20

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Solution

The fourth proportional to 3,415,865.36, 4,713,724.68 and 1,887,933.20 is: 2,605,254.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415,865.36 : 4,713,724.68 = 1,887,933.20 : x
  2. Step 2: Convert to fraction form
    3,415,865.36/4,713,724.68 = 1,887,933.20/x
  3. Step 3: Cross multiply
    3,415,865.36x = 4,713,724.68 × 1,887,933.20
  4. Step 4: Simplify right side
    3,415,865.36x = 8,899,197,319,031.38
  5. Step 5: Solve for x
    x = 8,899,197,319,031.38/3,415,865.36
  6. Step 6: Final answer
    x = 2,605,254.12

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Double scale
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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.