Home / 2,947,445.39-4,421,167.70-817,529.49

Finding the Fourth Proportional to 2,947,445.39, 4,421,167.70 and 817,529.49

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Solution

The fourth proportional to 2,947,445.39, 4,421,167.70 and 817,529.49 is: 1,226,294.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947,445.39 : 4,421,167.70 = 817,529.49 : x
  2. Step 2: Convert to fraction form
    2,947,445.39/4,421,167.70 = 817,529.49/x
  3. Step 3: Cross multiply
    2,947,445.39x = 4,421,167.70 × 817,529.49
  4. Step 4: Simplify right side
    2,947,445.39x = 3,614,434,970,897.83
  5. Step 5: Solve for x
    x = 3,614,434,970,897.83/2,947,445.39
  6. Step 6: Final answer
    x = 1,226,294.13

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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.