Home / 2,947,446.38-4,421,169.20-817,530.48

Finding the Fourth Proportional to 2,947,446.38, 4,421,169.20 and 817,530.48

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Solution

The fourth proportional to 2,947,446.38, 4,421,169.20 and 817,530.48 is: 1,226,295.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947,446.38 : 4,421,169.20 = 817,530.48 : x
  2. Step 2: Convert to fraction form
    2,947,446.38/4,421,169.20 = 817,530.48/x
  3. Step 3: Cross multiply
    2,947,446.38x = 4,421,169.20 × 817,530.48
  4. Step 4: Simplify right side
    2,947,446.38x = 3,614,440,578,237.22
  5. Step 5: Solve for x
    x = 3,614,440,578,237.22/2,947,446.38
  6. Step 6: Final answer
    x = 1,226,295.62

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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.