Home / 5,351,442.09-7,385,154.38-3,145,900.44

Finding the Fourth Proportional to 5,351,442.09, 7,385,154.38 and 3,145,900.44

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Solution

The fourth proportional to 5,351,442.09, 7,385,154.38 and 3,145,900.44 is: 4,341,439.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351,442.09 : 7,385,154.38 = 3,145,900.44 : x
  2. Step 2: Convert to fraction form
    5,351,442.09/7,385,154.38 = 3,145,900.44/x
  3. Step 3: Cross multiply
    5,351,442.09x = 7,385,154.38 × 3,145,900.44
  4. Step 4: Simplify right side
    5,351,442.09x = 23,232,960,393,680.35
  5. Step 5: Solve for x
    x = 23,232,960,393,680.35/5,351,442.09
  6. Step 6: Final answer
    x = 4,341,439.18

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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.