Home / 3,642,561.09-5,026,654.40-1,988,651.66

Finding the Fourth Proportional to 3,642,561.09, 5,026,654.40 and 1,988,651.66

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Solution

The fourth proportional to 3,642,561.09, 5,026,654.40 and 1,988,651.66 is: 2,744,295.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642,561.09 : 5,026,654.40 = 1,988,651.66 : x
  2. Step 2: Convert to fraction form
    3,642,561.09/5,026,654.40 = 1,988,651.66/x
  3. Step 3: Cross multiply
    3,642,561.09x = 5,026,654.40 × 1,988,651.66
  4. Step 4: Simplify right side
    3,642,561.09x = 9,996,264,581,729.77
  5. Step 5: Solve for x
    x = 9,996,264,581,729.77/3,642,561.09
  6. Step 6: Final answer
    x = 2,744,295.66

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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.