Home / 2,378,837.28-3,282,711.95-1,291,086.96

Finding the Fourth Proportional to 2,378,837.28, 3,282,711.95 and 1,291,086.96

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Solution

The fourth proportional to 2,378,837.28, 3,282,711.95 and 1,291,086.96 is: 1,781,654.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378,837.28 : 3,282,711.95 = 1,291,086.96 : x
  2. Step 2: Convert to fraction form
    2,378,837.28/3,282,711.95 = 1,291,086.96/x
  3. Step 3: Cross multiply
    2,378,837.28x = 3,282,711.95 × 1,291,086.96
  4. Step 4: Simplify right side
    2,378,837.28x = 4,238,266,592,081.17
  5. Step 5: Solve for x
    x = 4,238,266,592,081.17/2,378,837.28
  6. Step 6: Final answer
    x = 1,781,654.69

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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.