Home / 5,435,214.20-7,500,432.30-2,987,821.88

Finding the Fourth Proportional to 5,435,214.20, 7,500,432.30 and 2,987,821.88

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Solution

The fourth proportional to 5,435,214.20, 7,500,432.30 and 2,987,821.88 is: 4,123,104.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435,214.20 : 7,500,432.30 = 2,987,821.88 : x
  2. Step 2: Convert to fraction form
    5,435,214.20/7,500,432.30 = 2,987,821.88/x
  3. Step 3: Cross multiply
    5,435,214.20x = 7,500,432.30 × 2,987,821.88
  4. Step 4: Simplify right side
    5,435,214.20x = 22,409,955,735,398.72
  5. Step 5: Solve for x
    x = 22,409,955,735,398.72/5,435,214.20
  6. Step 6: Final answer
    x = 4,123,104.43

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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.