Home / 5,229,938.73-7,845,085.12-1,391,764.89

Finding the Fourth Proportional to 5,229,938.73, 7,845,085.12 and 1,391,764.89

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Solution

The fourth proportional to 5,229,938.73, 7,845,085.12 and 1,391,764.89 is: 2,087,694.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229,938.73 : 7,845,085.12 = 1,391,764.89 : x
  2. Step 2: Convert to fraction form
    5,229,938.73/7,845,085.12 = 1,391,764.89/x
  3. Step 3: Cross multiply
    5,229,938.73x = 7,845,085.12 × 1,391,764.89
  4. Step 4: Simplify right side
    5,229,938.73x = 10,918,514,029,077.44
  5. Step 5: Solve for x
    x = 10,918,514,029,077.44/5,229,938.73
  6. Step 6: Final answer
    x = 2,087,694.44

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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.