Home / 2,145,747.08-3,216,620.10-724,809.80

Finding the Fourth Proportional to 2,145,747.08, 3,216,620.10 and 724,809.80

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Solution

The fourth proportional to 2,145,747.08, 3,216,620.10 and 724,809.80 is: 1,086,538.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,747.08 : 3,216,620.10 = 724,809.80 : x
  2. Step 2: Convert to fraction form
    2,145,747.08/3,216,620.10 = 724,809.80/x
  3. Step 3: Cross multiply
    2,145,747.08x = 3,216,620.10 × 724,809.80
  4. Step 4: Simplify right side
    2,145,747.08x = 2,331,437,771,356.98
  5. Step 5: Solve for x
    x = 2,331,437,771,356.98/2,145,747.08
  6. Step 6: Final answer
    x = 1,086,538.95

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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.