Home / 4,272,000.20-6,408,000.30-2,679,475.40

Finding the Fourth Proportional to 4,272,000.20, 6,408,000.30 and 2,679,475.40

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Solution

The fourth proportional to 4,272,000.20, 6,408,000.30 and 2,679,475.40 is: 4,019,213.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272,000.20 : 6,408,000.30 = 2,679,475.40 : x
  2. Step 2: Convert to fraction form
    4,272,000.20/6,408,000.30 = 2,679,475.40/x
  3. Step 3: Cross multiply
    4,272,000.20x = 6,408,000.30 × 2,679,475.40
  4. Step 4: Simplify right side
    4,272,000.20x = 17,170,079,167,042.62
  5. Step 5: Solve for x
    x = 17,170,079,167,042.62/4,272,000.20
  6. Step 6: Final answer
    x = 4,019,213.10

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1.5x scale

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.