Home / 3,919,359.49-5,876,751.08-1,520,400.92

Finding the Fourth Proportional to 3,919,359.49, 5,876,751.08 and 1,520,400.92

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Solution

The fourth proportional to 3,919,359.49, 5,876,751.08 and 1,520,400.92 is: 2,279,713.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919,359.49 : 5,876,751.08 = 1,520,400.92 : x
  2. Step 2: Convert to fraction form
    3,919,359.49/5,876,751.08 = 1,520,400.92/x
  3. Step 3: Cross multiply
    3,919,359.49x = 5,876,751.08 × 1,520,400.92
  4. Step 4: Simplify right side
    3,919,359.49x = 8,935,017,723,060.24
  5. Step 5: Solve for x
    x = 8,935,017,723,060.24/3,919,359.49
  6. Step 6: Final answer
    x = 2,279,713.75

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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.