Home / 2,154,336.60-3,231,504.90-658,426.20

Finding the Fourth Proportional to 2,154,336.60, 3,231,504.90 and 658,426.20

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Solution

The fourth proportional to 2,154,336.60, 3,231,504.90 and 658,426.20 is: 987,639.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,336.60 : 3,231,504.90 = 658,426.20 : x
  2. Step 2: Convert to fraction form
    2,154,336.60/3,231,504.90 = 658,426.20/x
  3. Step 3: Cross multiply
    2,154,336.60x = 3,231,504.90 × 658,426.20
  4. Step 4: Simplify right side
    2,154,336.60x = 2,127,707,491,588.38
  5. Step 5: Solve for x
    x = 2,127,707,491,588.38/2,154,336.60
  6. Step 6: Final answer
    x = 987,639.30

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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.