Home / 3,132,354.70-4,689,200.85-1,869,532.30

Finding the Fourth Proportional to 3,132,354.70, 4,689,200.85 and 1,869,532.30

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Solution

The fourth proportional to 3,132,354.70, 4,689,200.85 and 1,869,532.30 is: 2,798,729.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132,354.70 : 4,689,200.85 = 1,869,532.30 : x
  2. Step 2: Convert to fraction form
    3,132,354.70/4,689,200.85 = 1,869,532.30/x
  3. Step 3: Cross multiply
    3,132,354.70x = 4,689,200.85 × 1,869,532.30
  4. Step 4: Simplify right side
    3,132,354.70x = 8,766,612,450,262.45
  5. Step 5: Solve for x
    x = 8,766,612,450,262.45/3,132,354.70
  6. Step 6: Final answer
    x = 2,798,729.16

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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.