Home / 4,920,343.90-7,380,515.85-2,794,579.90

Finding the Fourth Proportional to 4,920,343.90, 7,380,515.85 and 2,794,579.90

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Solution

The fourth proportional to 4,920,343.90, 7,380,515.85 and 2,794,579.90 is: 4,191,869.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,343.90 : 7,380,515.85 = 2,794,579.90 : x
  2. Step 2: Convert to fraction form
    4,920,343.90/7,380,515.85 = 2,794,579.90/x
  3. Step 3: Cross multiply
    4,920,343.90x = 7,380,515.85 × 2,794,579.90
  4. Step 4: Simplify right side
    4,920,343.90x = 20,625,441,246,041.41
  5. Step 5: Solve for x
    x = 20,625,441,246,041.41/4,920,343.90
  6. Step 6: Final answer
    x = 4,191,869.85

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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.