Home / 2,659,601.57-3,989,962.80-862,344.90

Finding the Fourth Proportional to 2,659,601.57, 3,989,962.80 and 862,344.90

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Solution

The fourth proportional to 2,659,601.57, 3,989,962.80 and 862,344.90 is: 1,293,699.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659,601.57 : 3,989,962.80 = 862,344.90 : x
  2. Step 2: Convert to fraction form
    2,659,601.57/3,989,962.80 = 862,344.90/x
  3. Step 3: Cross multiply
    2,659,601.57x = 3,989,962.80 × 862,344.90
  4. Step 4: Simplify right side
    2,659,601.57x = 3,440,724,071,769.72
  5. Step 5: Solve for x
    x = 3,440,724,071,769.72/2,659,601.57
  6. Step 6: Final answer
    x = 1,293,699.07

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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.