Home / 2,154,553-3,231,959.10-658,657.96

Finding the Fourth Proportional to 2,154,553, 3,231,959.10 and 658,657.96

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Solution

The fourth proportional to 2,154,553, 3,231,959.10 and 658,657.96 is: 988,026.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,553 : 3,231,959.10 = 658,657.96 : x
  2. Step 2: Convert to fraction form
    2,154,553/3,231,959.10 = 658,657.96/x
  3. Step 3: Cross multiply
    2,154,553x = 3,231,959.10 × 658,657.96
  4. Step 4: Simplify right side
    2,154,553x = 2,128,755,587,609.44
  5. Step 5: Solve for x
    x = 2,128,755,587,609.44/2,154,553
  6. Step 6: Final answer
    x = 988,026.56

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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.