Home / 2,165,437.40-2,988,330.17-1,198,657.85

Finding the Fourth Proportional to 2,165,437.40, 2,988,330.17 and 1,198,657.85

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Solution

The fourth proportional to 2,165,437.40, 2,988,330.17 and 1,198,657.85 is: 1,654,162.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165,437.40 : 2,988,330.17 = 1,198,657.85 : x
  2. Step 2: Convert to fraction form
    2,165,437.40/2,988,330.17 = 1,198,657.85/x
  3. Step 3: Cross multiply
    2,165,437.40x = 2,988,330.17 × 1,198,657.85
  4. Step 4: Simplify right side
    2,165,437.40x = 3,581,985,395,727.39
  5. Step 5: Solve for x
    x = 3,581,985,395,727.39/2,165,437.40
  6. Step 6: Final answer
    x = 1,654,162.53

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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.