Home / 6,439,438.85-9,663,586.91-2,652,921.72

Finding the Fourth Proportional to 6,439,438.85, 9,663,586.91 and 2,652,921.72

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Solution

The fourth proportional to 6,439,438.85, 9,663,586.91 and 2,652,921.72 is: 3,981,207.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439,438.85 : 9,663,586.91 = 2,652,921.72 : x
  2. Step 2: Convert to fraction form
    6,439,438.85/9,663,586.91 = 2,652,921.72/x
  3. Step 3: Cross multiply
    6,439,438.85x = 9,663,586.91 × 2,652,921.72
  4. Step 4: Simplify right side
    6,439,438.85x = 25,636,739,603,330.54
  5. Step 5: Solve for x
    x = 25,636,739,603,330.54/6,439,438.85
  6. Step 6: Final answer
    x = 3,981,207.09

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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.