Home / 2,189,723.60-3,284,585.40-1,587,861.20

Finding the Fourth Proportional to 2,189,723.60, 3,284,585.40 and 1,587,861.20

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Solution

The fourth proportional to 2,189,723.60, 3,284,585.40 and 1,587,861.20 is: 2,381,791.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189,723.60 : 3,284,585.40 = 1,587,861.20 : x
  2. Step 2: Convert to fraction form
    2,189,723.60/3,284,585.40 = 1,587,861.20/x
  3. Step 3: Cross multiply
    2,189,723.60x = 3,284,585.40 × 1,587,861.20
  4. Step 4: Simplify right side
    2,189,723.60x = 5,215,465,714,746.48
  5. Step 5: Solve for x
    x = 5,215,465,714,746.48/2,189,723.60
  6. Step 6: Final answer
    x = 2,381,791.80

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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.