Home / 5,432,852.90-8,149,279.35-1,645,843.70

Finding the Fourth Proportional to 5,432,852.90, 8,149,279.35 and 1,645,843.70

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Solution

The fourth proportional to 5,432,852.90, 8,149,279.35 and 1,645,843.70 is: 2,468,765.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432,852.90 : 8,149,279.35 = 1,645,843.70 : x
  2. Step 2: Convert to fraction form
    5,432,852.90/8,149,279.35 = 1,645,843.70/x
  3. Step 3: Cross multiply
    5,432,852.90x = 8,149,279.35 × 1,645,843.70
  4. Step 4: Simplify right side
    5,432,852.90x = 13,412,440,077,737.59
  5. Step 5: Solve for x
    x = 13,412,440,077,737.59/5,432,852.90
  6. Step 6: Final answer
    x = 2,468,765.55

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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.