Home / 2,754,531.20-4,131,796.80-861,269.60

Finding the Fourth Proportional to 2,754,531.20, 4,131,796.80 and 861,269.60

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Solution

The fourth proportional to 2,754,531.20, 4,131,796.80 and 861,269.60 is: 1,291,904.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754,531.20 : 4,131,796.80 = 861,269.60 : x
  2. Step 2: Convert to fraction form
    2,754,531.20/4,131,796.80 = 861,269.60/x
  3. Step 3: Cross multiply
    2,754,531.20x = 4,131,796.80 × 861,269.60
  4. Step 4: Simplify right side
    2,754,531.20x = 3,558,590,977,217.28
  5. Step 5: Solve for x
    x = 3,558,590,977,217.28/2,754,531.20
  6. Step 6: Final answer
    x = 1,291,904.40

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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.