Home / 3,268,639.50-4,902,983.88-1,138,720.20

Finding the Fourth Proportional to 3,268,639.50, 4,902,983.88 and 1,138,720.20

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Solution

The fourth proportional to 3,268,639.50, 4,902,983.88 and 1,138,720.20 is: 1,708,088.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268,639.50 : 4,902,983.88 = 1,138,720.20 : x
  2. Step 2: Convert to fraction form
    3,268,639.50/4,902,983.88 = 1,138,720.20/x
  3. Step 3: Cross multiply
    3,268,639.50x = 4,902,983.88 × 1,138,720.20
  4. Step 4: Simplify right side
    3,268,639.50x = 5,583,126,784,430.38
  5. Step 5: Solve for x
    x = 5,583,126,784,430.38/3,268,639.50
  6. Step 6: Final answer
    x = 1,708,088.88

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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.