Home / 2,137,943.48-3,207,064.92-858,550.88

Finding the Fourth Proportional to 2,137,943.48, 3,207,064.92 and 858,550.88

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Solution

The fourth proportional to 2,137,943.48, 3,207,064.92 and 858,550.88 is: 1,287,886.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137,943.48 : 3,207,064.92 = 858,550.88 : x
  2. Step 2: Convert to fraction form
    2,137,943.48/3,207,064.92 = 858,550.88/x
  3. Step 3: Cross multiply
    2,137,943.48x = 3,207,064.92 × 858,550.88
  4. Step 4: Simplify right side
    2,137,943.48x = 2,753,428,409,283.13
  5. Step 5: Solve for x
    x = 2,753,428,409,283.13/2,137,943.48
  6. Step 6: Final answer
    x = 1,287,886.44

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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.