Home / 2,947,476.25-4,421,214.10-817,560.46

Finding the Fourth Proportional to 2,947,476.25, 4,421,214.10 and 817,560.46

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Solution

The fourth proportional to 2,947,476.25, 4,421,214.10 and 817,560.46 is: 1,226,340.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947,476.25 : 4,421,214.10 = 817,560.46 : x
  2. Step 2: Convert to fraction form
    2,947,476.25/4,421,214.10 = 817,560.46/x
  3. Step 3: Cross multiply
    2,947,476.25x = 4,421,214.10 × 817,560.46
  4. Step 4: Simplify right side
    2,947,476.25x = 3,614,609,833,354.49
  5. Step 5: Solve for x
    x = 3,614,609,833,354.49/2,947,476.25
  6. Step 6: Final answer
    x = 1,226,340.61

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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.