Home / 5,265,105.78-7,897,658.76-1,276,017.78

Finding the Fourth Proportional to 5,265,105.78, 7,897,658.76 and 1,276,017.78

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Solution

The fourth proportional to 5,265,105.78, 7,897,658.76 and 1,276,017.78 is: 1,914,026.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265,105.78 : 7,897,658.76 = 1,276,017.78 : x
  2. Step 2: Convert to fraction form
    5,265,105.78/7,897,658.76 = 1,276,017.78/x
  3. Step 3: Cross multiply
    5,265,105.78x = 7,897,658.76 × 1,276,017.78
  4. Step 4: Simplify right side
    5,265,105.78x = 10,077,552,998,132.75
  5. Step 5: Solve for x
    x = 10,077,552,998,132.75/5,265,105.78
  6. Step 6: Final answer
    x = 1,914,026.69

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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.