Home / 2,947,478.31-4,421,217.18-817,562.52

Finding the Fourth Proportional to 2,947,478.31, 4,421,217.18 and 817,562.52

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Solution

The fourth proportional to 2,947,478.31, 4,421,217.18 and 817,562.52 is: 1,226,343.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947,478.31 : 4,421,217.18 = 817,562.52 : x
  2. Step 2: Convert to fraction form
    2,947,478.31/4,421,217.18 = 817,562.52/x
  3. Step 3: Cross multiply
    2,947,478.31x = 4,421,217.18 × 817,562.52
  4. Step 4: Simplify right side
    2,947,478.31x = 3,614,621,459,148.09
  5. Step 5: Solve for x
    x = 3,614,621,459,148.09/2,947,478.31
  6. Step 6: Final answer
    x = 1,226,343.70

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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.