Home / 3,689,215.72-5,532,050.25-2,091,349.78

Finding the Fourth Proportional to 3,689,215.72, 5,532,050.25 and 2,091,349.78

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Solution

The fourth proportional to 3,689,215.72, 5,532,050.25 and 2,091,349.78 is: 3,136,019.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689,215.72 : 5,532,050.25 = 2,091,349.78 : x
  2. Step 2: Convert to fraction form
    3,689,215.72/5,532,050.25 = 2,091,349.78/x
  3. Step 3: Cross multiply
    3,689,215.72x = 5,532,050.25 × 2,091,349.78
  4. Step 4: Simplify right side
    3,689,215.72x = 11,569,452,073,286.45
  5. Step 5: Solve for x
    x = 11,569,452,073,286.45/3,689,215.72
  6. Step 6: Final answer
    x = 3,136,019.40

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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.