Home / 2,659,613.55-3,989,980.80-862,356.90

Finding the Fourth Proportional to 2,659,613.55, 3,989,980.80 and 862,356.90

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Solution

The fourth proportional to 2,659,613.55, 3,989,980.80 and 862,356.90 is: 1,293,717.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659,613.55 : 3,989,980.80 = 862,356.90 : x
  2. Step 2: Convert to fraction form
    2,659,613.55/3,989,980.80 = 862,356.90/x
  3. Step 3: Cross multiply
    2,659,613.55x = 3,989,980.80 × 862,356.90
  4. Step 4: Simplify right side
    2,659,613.55x = 3,440,787,473,747.52
  5. Step 5: Solve for x
    x = 3,440,787,473,747.52/2,659,613.55
  6. Step 6: Final answer
    x = 1,293,717.08

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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.