Home / 5,432,870.60-8,149,305.90-1,646,541.80

Finding the Fourth Proportional to 5,432,870.60, 8,149,305.90 and 1,646,541.80

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Solution

The fourth proportional to 5,432,870.60, 8,149,305.90 and 1,646,541.80 is: 2,469,812.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432,870.60 : 8,149,305.90 = 1,646,541.80 : x
  2. Step 2: Convert to fraction form
    5,432,870.60/8,149,305.90 = 1,646,541.80/x
  3. Step 3: Cross multiply
    5,432,870.60x = 8,149,305.90 × 1,646,541.80
  4. Step 4: Simplify right side
    5,432,870.60x = 13,418,172,805,336.62
  5. Step 5: Solve for x
    x = 13,418,172,805,336.62/5,432,870.60
  6. Step 6: Final answer
    x = 2,469,812.70

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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.