Home / 4,920,202.20-7,381,340.10-2,078,851.80

Finding the Fourth Proportional to 4,920,202.20, 7,381,340.10 and 2,078,851.80

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Solution

The fourth proportional to 4,920,202.20, 7,381,340.10 and 2,078,851.80 is: 3,118,715.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,202.20 : 7,381,340.10 = 2,078,851.80 : x
  2. Step 2: Convert to fraction form
    4,920,202.20/7,381,340.10 = 2,078,851.80/x
  3. Step 3: Cross multiply
    4,920,202.20x = 7,381,340.10 × 2,078,851.80
  4. Step 4: Simplify right side
    4,920,202.20x = 15,344,712,153,297.18
  5. Step 5: Solve for x
    x = 15,344,712,153,297.18/4,920,202.20
  6. Step 6: Final answer
    x = 3,118,715.76

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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.