Home / 2,187,208.56-3,280,814.32-747,902.56

Finding the Fourth Proportional to 2,187,208.56, 3,280,814.32 and 747,902.56

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Solution

The fourth proportional to 2,187,208.56, 3,280,814.32 and 747,902.56 is: 1,121,854.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,208.56 : 3,280,814.32 = 747,902.56 : x
  2. Step 2: Convert to fraction form
    2,187,208.56/3,280,814.32 = 747,902.56/x
  3. Step 3: Cross multiply
    2,187,208.56x = 3,280,814.32 × 747,902.56
  4. Step 4: Simplify right side
    2,187,208.56x = 2,453,729,428,812.66
  5. Step 5: Solve for x
    x = 2,453,729,428,812.66/2,187,208.56
  6. Step 6: Final answer
    x = 1,121,854.35

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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.