Home / 3,784,538.64-5,677,711.80-1,260,215.76

Finding the Fourth Proportional to 3,784,538.64, 5,677,711.80 and 1,260,215.76

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Solution

The fourth proportional to 3,784,538.64, 5,677,711.80 and 1,260,215.76 is: 1,890,624.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784,538.64 : 5,677,711.80 = 1,260,215.76 : x
  2. Step 2: Convert to fraction form
    3,784,538.64/5,677,711.80 = 1,260,215.76/x
  3. Step 3: Cross multiply
    3,784,538.64x = 5,677,711.80 × 1,260,215.76
  4. Step 4: Simplify right side
    3,784,538.64x = 7,155,141,891,097.97
  5. Step 5: Solve for x
    x = 7,155,141,891,097.97/3,784,538.64
  6. Step 6: Final answer
    x = 1,890,624.61

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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.