Home / 5,432,871.40-8,149,307.10-1,645,862.20

Finding the Fourth Proportional to 5,432,871.40, 8,149,307.10 and 1,645,862.20

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Solution

The fourth proportional to 5,432,871.40, 8,149,307.10 and 1,645,862.20 is: 2,468,793.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432,871.40 : 8,149,307.10 = 1,645,862.20 : x
  2. Step 2: Convert to fraction form
    5,432,871.40/8,149,307.10 = 1,645,862.20/x
  3. Step 3: Cross multiply
    5,432,871.40x = 8,149,307.10 × 1,645,862.20
  4. Step 4: Simplify right side
    5,432,871.40x = 13,412,636,512,081.62
  5. Step 5: Solve for x
    x = 13,412,636,512,081.62/5,432,871.40
  6. Step 6: Final answer
    x = 2,468,793.30

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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.