Home / 2,982,620.40-4,473,930.60-2,187,427.20

Finding the Fourth Proportional to 2,982,620.40, 4,473,930.60 and 2,187,427.20

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Solution

The fourth proportional to 2,982,620.40, 4,473,930.60 and 2,187,427.20 is: 3,281,140.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982,620.40 : 4,473,930.60 = 2,187,427.20 : x
  2. Step 2: Convert to fraction form
    2,982,620.40/4,473,930.60 = 2,187,427.20/x
  3. Step 3: Cross multiply
    2,982,620.40x = 4,473,930.60 × 2,187,427.20
  4. Step 4: Simplify right side
    2,982,620.40x = 9,786,397,485,352.32
  5. Step 5: Solve for x
    x = 9,786,397,485,352.32/2,982,620.40
  6. Step 6: Final answer
    x = 3,281,140.80

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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.