Home / 2,378,087.76-3,567,122.04-861,415.72

Finding the Fourth Proportional to 2,378,087.76, 3,567,122.04 and 861,415.72

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Solution

The fourth proportional to 2,378,087.76, 3,567,122.04 and 861,415.72 is: 1,292,120.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378,087.76 : 3,567,122.04 = 861,415.72 : x
  2. Step 2: Convert to fraction form
    2,378,087.76/3,567,122.04 = 861,415.72/x
  3. Step 3: Cross multiply
    2,378,087.76x = 3,567,122.04 × 861,415.72
  4. Step 4: Simplify right side
    2,378,087.76x = 3,072,775,000,414.47
  5. Step 5: Solve for x
    x = 3,072,775,000,414.47/2,378,087.76
  6. Step 6: Final answer
    x = 1,292,120.10

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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.