Home / 2,391,991.20-3,301,227.95-1,359,654.30

Finding the Fourth Proportional to 2,391,991.20, 3,301,227.95 and 1,359,654.30

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Solution

The fourth proportional to 2,391,991.20, 3,301,227.95 and 1,359,654.30 is: 1,876,482.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391,991.20 : 3,301,227.95 = 1,359,654.30 : x
  2. Step 2: Convert to fraction form
    2,391,991.20/3,301,227.95 = 1,359,654.30/x
  3. Step 3: Cross multiply
    2,391,991.20x = 3,301,227.95 × 1,359,654.30
  4. Step 4: Simplify right side
    2,391,991.20x = 4,488,528,770,699.41
  5. Step 5: Solve for x
    x = 4,488,528,770,699.41/2,391,991.20
  6. Step 6: Final answer
    x = 1,876,482.14

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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.