Home / 5,432,829.40-8,149,244.10-1,645,820.20

Finding the Fourth Proportional to 5,432,829.40, 8,149,244.10 and 1,645,820.20

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Solution

The fourth proportional to 5,432,829.40, 8,149,244.10 and 1,645,820.20 is: 2,468,730.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432,829.40 : 8,149,244.10 = 1,645,820.20 : x
  2. Step 2: Convert to fraction form
    5,432,829.40/8,149,244.10 = 1,645,820.20/x
  3. Step 3: Cross multiply
    5,432,829.40x = 8,149,244.10 × 1,645,820.20
  4. Step 4: Simplify right side
    5,432,829.40x = 13,412,190,554,510.82
  5. Step 5: Solve for x
    x = 13,412,190,554,510.82/5,432,829.40
  6. Step 6: Final answer
    x = 2,468,730.30

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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.