Home / 4,672,145.70-7,008,218.55-1,478,250.90

Finding the Fourth Proportional to 4,672,145.70, 7,008,218.55 and 1,478,250.90

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Solution

The fourth proportional to 4,672,145.70, 7,008,218.55 and 1,478,250.90 is: 2,217,376.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,672,145.70 : 7,008,218.55 = 1,478,250.90 : x
  2. Step 2: Convert to fraction form
    4,672,145.70/7,008,218.55 = 1,478,250.90/x
  3. Step 3: Cross multiply
    4,672,145.70x = 7,008,218.55 × 1,478,250.90
  4. Step 4: Simplify right side
    4,672,145.70x = 10,359,905,378,934.19
  5. Step 5: Solve for x
    x = 10,359,905,378,934.19/4,672,145.70
  6. Step 6: Final answer
    x = 2,217,376.35

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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.