Home / 2,754,710.40-4,132,065.60-861,643.20

Finding the Fourth Proportional to 2,754,710.40, 4,132,065.60 and 861,643.20

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Solution

The fourth proportional to 2,754,710.40, 4,132,065.60 and 861,643.20 is: 1,292,464.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754,710.40 : 4,132,065.60 = 861,643.20 : x
  2. Step 2: Convert to fraction form
    2,754,710.40/4,132,065.60 = 861,643.20/x
  3. Step 3: Cross multiply
    2,754,710.40x = 4,132,065.60 × 861,643.20
  4. Step 4: Simplify right side
    2,754,710.40x = 3,560,366,226,193.92
  5. Step 5: Solve for x
    x = 3,560,366,226,193.92/2,754,710.40
  6. Step 6: Final answer
    x = 1,292,464.80

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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.