Home / 3,552,780.80-5,329,171.20-2,985,910.40

Finding the Fourth Proportional to 3,552,780.80, 5,329,171.20 and 2,985,910.40

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Solution

The fourth proportional to 3,552,780.80, 5,329,171.20 and 2,985,910.40 is: 4,478,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,552,780.80 : 5,329,171.20 = 2,985,910.40 : x
  2. Step 2: Convert to fraction form
    3,552,780.80/5,329,171.20 = 2,985,910.40/x
  3. Step 3: Cross multiply
    3,552,780.80x = 5,329,171.20 × 2,985,910.40
  4. Step 4: Simplify right side
    3,552,780.80x = 15,912,427,709,460.48
  5. Step 5: Solve for x
    x = 15,912,427,709,460.48/3,552,780.80
  6. Step 6: Final answer
    x = 4,478,865.60

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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.