Home / 3,551,755.20-5,328,021.60-3,439,780.80

Finding the Fourth Proportional to 3,551,755.20, 5,328,021.60 and 3,439,780.80

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Solution

The fourth proportional to 3,551,755.20, 5,328,021.60 and 3,439,780.80 is: 5,160,047.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551,755.20 : 5,328,021.60 = 3,439,780.80 : x
  2. Step 2: Convert to fraction form
    3,551,755.20/5,328,021.60 = 3,439,780.80/x
  3. Step 3: Cross multiply
    3,551,755.20x = 5,328,021.60 × 3,439,780.80
  4. Step 4: Simplify right side
    3,551,755.20x = 18,327,226,401,665.28
  5. Step 5: Solve for x
    x = 18,327,226,401,665.28/3,551,755.20
  6. Step 6: Final answer
    x = 5,160,047.74

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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.