Home / 3,477,180.80-5,215,771.20-918,390.80

Finding the Fourth Proportional to 3,477,180.80, 5,215,771.20 and 918,390.80

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Solution

The fourth proportional to 3,477,180.80, 5,215,771.20 and 918,390.80 is: 1,377,586.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477,180.80 : 5,215,771.20 = 918,390.80 : x
  2. Step 2: Convert to fraction form
    3,477,180.80/5,215,771.20 = 918,390.80/x
  3. Step 3: Cross multiply
    3,477,180.80x = 5,215,771.20 × 918,390.80
  4. Step 4: Simplify right side
    3,477,180.80x = 4,790,116,284,984.96
  5. Step 5: Solve for x
    x = 4,790,116,284,984.96/3,477,180.80
  6. Step 6: Final answer
    x = 1,377,586.20

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Similar ratio
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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.