Home / 4,518,780.60-6,772,922.10-1,821,772.20

Finding the Fourth Proportional to 4,518,780.60, 6,772,922.10 and 1,821,772.20

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Solution

The fourth proportional to 4,518,780.60, 6,772,922.10 and 1,821,772.20 is: 2,730,542.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,518,780.60 : 6,772,922.10 = 1,821,772.20 : x
  2. Step 2: Convert to fraction form
    4,518,780.60/6,772,922.10 = 1,821,772.20/x
  3. Step 3: Cross multiply
    4,518,780.60x = 6,772,922.10 × 1,821,772.20
  4. Step 4: Simplify right side
    4,518,780.60x = 12,338,721,194,545.62
  5. Step 5: Solve for x
    x = 12,338,721,194,545.62/4,518,780.60
  6. Step 6: Final answer
    x = 2,730,542.22

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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.