Home / 3,432,918.80-5,149,378.20-908,829.20

Finding the Fourth Proportional to 3,432,918.80, 5,149,378.20 and 908,829.20

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Solution

The fourth proportional to 3,432,918.80, 5,149,378.20 and 908,829.20 is: 1,363,243.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432,918.80 : 5,149,378.20 = 908,829.20 : x
  2. Step 2: Convert to fraction form
    3,432,918.80/5,149,378.20 = 908,829.20/x
  3. Step 3: Cross multiply
    3,432,918.80x = 5,149,378.20 × 908,829.20
  4. Step 4: Simplify right side
    3,432,918.80x = 4,679,905,270,003.44
  5. Step 5: Solve for x
    x = 4,679,905,270,003.44/3,432,918.80
  6. Step 6: Final answer
    x = 1,363,243.80

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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.