Home / 3,790,057.61-5,230,279.50-2,158,616.78

Finding the Fourth Proportional to 3,790,057.61, 5,230,279.50 and 2,158,616.78

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Solution

The fourth proportional to 3,790,057.61, 5,230,279.50 and 2,158,616.78 is: 2,978,891.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790,057.61 : 5,230,279.50 = 2,158,616.78 : x
  2. Step 2: Convert to fraction form
    3,790,057.61/5,230,279.50 = 2,158,616.78/x
  3. Step 3: Cross multiply
    3,790,057.61x = 5,230,279.50 × 2,158,616.78
  4. Step 4: Simplify right side
    3,790,057.61x = 11,290,169,066,638.61
  5. Step 5: Solve for x
    x = 11,290,169,066,638.61/3,790,057.61
  6. Step 6: Final answer
    x = 2,978,891.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.