Home / 1,887,251.90-2,604,481.34-1,071,531.48

Finding the Fourth Proportional to 1,887,251.90, 2,604,481.34 and 1,071,531.48

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Solution

The fourth proportional to 1,887,251.90, 2,604,481.34 and 1,071,531.48 is: 1,478,755.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887,251.90 : 2,604,481.34 = 1,071,531.48 : x
  2. Step 2: Convert to fraction form
    1,887,251.90/2,604,481.34 = 1,071,531.48/x
  3. Step 3: Cross multiply
    1,887,251.90x = 2,604,481.34 × 1,071,531.48
  4. Step 4: Simplify right side
    1,887,251.90x = 2,790,783,744,882.58
  5. Step 5: Solve for x
    x = 2,790,783,744,882.58/1,887,251.90
  6. Step 6: Final answer
    x = 1,478,755.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.