Home / 2,919,266.70-4,379,318.55-897,680.40

Finding the Fourth Proportional to 2,919,266.70, 4,379,318.55 and 897,680.40

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Solution

The fourth proportional to 2,919,266.70, 4,379,318.55 and 897,680.40 is: 1,346,649.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919,266.70 : 4,379,318.55 = 897,680.40 : x
  2. Step 2: Convert to fraction form
    2,919,266.70/4,379,318.55 = 897,680.40/x
  3. Step 3: Cross multiply
    2,919,266.70x = 4,379,318.55 × 897,680.40
  4. Step 4: Simplify right side
    2,919,266.70x = 3,931,228,427,691.42
  5. Step 5: Solve for x
    x = 3,931,228,427,691.42/2,919,266.70
  6. Step 6: Final answer
    x = 1,346,649.29

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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.