Home / 4,272,000.70-6,408,001.05-2,679,475.90

Finding the Fourth Proportional to 4,272,000.70, 6,408,001.05 and 2,679,475.90

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Solution

The fourth proportional to 4,272,000.70, 6,408,001.05 and 2,679,475.90 is: 4,019,213.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272,000.70 : 6,408,001.05 = 2,679,475.90 : x
  2. Step 2: Convert to fraction form
    4,272,000.70/6,408,001.05 = 2,679,475.90/x
  3. Step 3: Cross multiply
    4,272,000.70x = 6,408,001.05 × 2,679,475.90
  4. Step 4: Simplify right side
    4,272,000.70x = 17,170,084,380,649.69
  5. Step 5: Solve for x
    x = 17,170,084,380,649.69/4,272,000.70
  6. Step 6: Final answer
    x = 4,019,213.85

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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.