Home / 3,432,919.80-5,149,379.70-908,830.20

Finding the Fourth Proportional to 3,432,919.80, 5,149,379.70 and 908,830.20

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Solution

The fourth proportional to 3,432,919.80, 5,149,379.70 and 908,830.20 is: 1,363,245.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432,919.80 : 5,149,379.70 = 908,830.20 : x
  2. Step 2: Convert to fraction form
    3,432,919.80/5,149,379.70 = 908,830.20/x
  3. Step 3: Cross multiply
    3,432,919.80x = 5,149,379.70 × 908,830.20
  4. Step 4: Simplify right side
    3,432,919.80x = 4,679,911,782,626.94
  5. Step 5: Solve for x
    x = 4,679,911,782,626.94/3,432,919.80
  6. Step 6: Final answer
    x = 1,363,245.30

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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.