Home / 2,947,470.45-4,421,205.39-817,554.66

Finding the Fourth Proportional to 2,947,470.45, 4,421,205.39 and 817,554.66

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Solution

The fourth proportional to 2,947,470.45, 4,421,205.39 and 817,554.66 is: 1,226,331.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947,470.45 : 4,421,205.39 = 817,554.66 : x
  2. Step 2: Convert to fraction form
    2,947,470.45/4,421,205.39 = 817,554.66/x
  3. Step 3: Cross multiply
    2,947,470.45x = 4,421,205.39 × 817,554.66
  4. Step 4: Simplify right side
    2,947,470.45x = 3,614,577,069,411.62
  5. Step 5: Solve for x
    x = 3,614,577,069,411.62/2,947,470.45
  6. Step 6: Final answer
    x = 1,226,331.91

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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.