Home / 2,727,728.80-4,091,445.28-834,470.40

Finding the Fourth Proportional to 2,727,728.80, 4,091,445.28 and 834,470.40

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Solution

The fourth proportional to 2,727,728.80, 4,091,445.28 and 834,470.40 is: 1,251,660.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,727,728.80 : 4,091,445.28 = 834,470.40 : x
  2. Step 2: Convert to fraction form
    2,727,728.80/4,091,445.28 = 834,470.40/x
  3. Step 3: Cross multiply
    2,727,728.80x = 4,091,445.28 × 834,470.40
  4. Step 4: Simplify right side
    2,727,728.80x = 3,414,189,979,379.71
  5. Step 5: Solve for x
    x = 3,414,189,979,379.71/2,727,728.80
  6. Step 6: Final answer
    x = 1,251,660.35

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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.