Home / 2,861,449.10-4,292,398.50-812,077.10

Finding the Fourth Proportional to 2,861,449.10, 4,292,398.50 and 812,077.10

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Solution

The fourth proportional to 2,861,449.10, 4,292,398.50 and 812,077.10 is: 1,218,179.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861,449.10 : 4,292,398.50 = 812,077.10 : x
  2. Step 2: Convert to fraction form
    2,861,449.10/4,292,398.50 = 812,077.10/x
  3. Step 3: Cross multiply
    2,861,449.10x = 4,292,398.50 × 812,077.10
  4. Step 4: Simplify right side
    2,861,449.10x = 3,485,758,511,803.56
  5. Step 5: Solve for x
    x = 3,485,758,511,803.56/2,861,449.10
  6. Step 6: Final answer
    x = 1,218,179.46

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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.