Home / 2,187,233.70-3,280,850.55-1,389,416.10

Finding the Fourth Proportional to 2,187,233.70, 3,280,850.55 and 1,389,416.10

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Solution

The fourth proportional to 2,187,233.70, 3,280,850.55 and 1,389,416.10 is: 2,084,124.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,233.70 : 3,280,850.55 = 1,389,416.10 : x
  2. Step 2: Convert to fraction form
    2,187,233.70/3,280,850.55 = 1,389,416.10/x
  3. Step 3: Cross multiply
    2,187,233.70x = 3,280,850.55 × 1,389,416.10
  4. Step 4: Simplify right side
    2,187,233.70x = 4,558,466,575,863.86
  5. Step 5: Solve for x
    x = 4,558,466,575,863.86/2,187,233.70
  6. Step 6: Final answer
    x = 2,084,124.15

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Similar ratio
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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.