Home / 2,387,557.28-3,579,084.69-1,188,345.92

Finding the Fourth Proportional to 2,387,557.28, 3,579,084.69 and 1,188,345.92

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Solution

The fourth proportional to 2,387,557.28, 3,579,084.69 and 1,188,345.92 is: 1,781,398.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,387,557.28 : 3,579,084.69 = 1,188,345.92 : x
  2. Step 2: Convert to fraction form
    2,387,557.28/3,579,084.69 = 1,188,345.92/x
  3. Step 3: Cross multiply
    2,387,557.28x = 3,579,084.69 × 1,188,345.92
  4. Step 4: Simplify right side
    2,387,557.28x = 4,253,190,688,695.96
  5. Step 5: Solve for x
    x = 4,253,190,688,695.96/2,387,557.28
  6. Step 6: Final answer
    x = 1,781,398.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.