Home / 5,432,857.40-8,149,286.10-1,645,848.20

Finding the Fourth Proportional to 5,432,857.40, 8,149,286.10 and 1,645,848.20

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Solution

The fourth proportional to 5,432,857.40, 8,149,286.10 and 1,645,848.20 is: 2,468,772.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432,857.40 : 8,149,286.10 = 1,645,848.20 : x
  2. Step 2: Convert to fraction form
    5,432,857.40/8,149,286.10 = 1,645,848.20/x
  3. Step 3: Cross multiply
    5,432,857.40x = 8,149,286.10 × 1,645,848.20
  4. Step 4: Simplify right side
    5,432,857.40x = 13,412,487,858,970.02
  5. Step 5: Solve for x
    x = 13,412,487,858,970.02/5,432,857.40
  6. Step 6: Final answer
    x = 2,468,772.30

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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.