Home / 5,377,155.15-7,420,380.66-2,929,786.30

Finding the Fourth Proportional to 5,377,155.15, 7,420,380.66 and 2,929,786.30

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Solution

The fourth proportional to 5,377,155.15, 7,420,380.66 and 2,929,786.30 is: 4,043,054.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377,155.15 : 7,420,380.66 = 2,929,786.30 : x
  2. Step 2: Convert to fraction form
    5,377,155.15/7,420,380.66 = 2,929,786.30/x
  3. Step 3: Cross multiply
    5,377,155.15x = 7,420,380.66 × 2,929,786.30
  4. Step 4: Simplify right side
    5,377,155.15x = 21,740,129,598,452.96
  5. Step 5: Solve for x
    x = 21,740,129,598,452.96/5,377,155.15
  6. Step 6: Final answer
    x = 4,043,054.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.