Home / 2,485,539.22-3,430,959.33-2,182,839.70

Finding the Fourth Proportional to 2,485,539.22, 3,430,959.33 and 2,182,839.70

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Solution

The fourth proportional to 2,485,539.22, 3,430,959.33 and 2,182,839.70 is: 3,013,122.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485,539.22 : 3,430,959.33 = 2,182,839.70 : x
  2. Step 2: Convert to fraction form
    2,485,539.22/3,430,959.33 = 2,182,839.70/x
  3. Step 3: Cross multiply
    2,485,539.22x = 3,430,959.33 × 2,182,839.70
  4. Step 4: Simplify right side
    2,485,539.22x = 7,489,234,234,609.40
  5. Step 5: Solve for x
    x = 7,489,234,234,609.40/2,485,539.22
  6. Step 6: Final answer
    x = 3,013,122.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.