Home / 5,432,800.65-8,149,200.98-1,645,791.45

Finding the Fourth Proportional to 5,432,800.65, 8,149,200.98 and 1,645,791.45

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Solution

The fourth proportional to 5,432,800.65, 8,149,200.98 and 1,645,791.45 is: 2,468,687.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432,800.65 : 8,149,200.98 = 1,645,791.45 : x
  2. Step 2: Convert to fraction form
    5,432,800.65/8,149,200.98 = 1,645,791.45/x
  3. Step 3: Cross multiply
    5,432,800.65x = 8,149,200.98 × 1,645,791.45
  4. Step 4: Simplify right side
    5,432,800.65x = 13,411,885,288,986.66
  5. Step 5: Solve for x
    x = 13,411,885,288,986.66/5,432,800.65
  6. Step 6: Final answer
    x = 2,468,687.18

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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.