Home / 3,942,649.40-5,913,974.10-3,543,740.60

Finding the Fourth Proportional to 3,942,649.40, 5,913,974.10 and 3,543,740.60

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Solution

The fourth proportional to 3,942,649.40, 5,913,974.10 and 3,543,740.60 is: 5,315,610.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942,649.40 : 5,913,974.10 = 3,543,740.60 : x
  2. Step 2: Convert to fraction form
    3,942,649.40/5,913,974.10 = 3,543,740.60/x
  3. Step 3: Cross multiply
    3,942,649.40x = 5,913,974.10 × 3,543,740.60
  4. Step 4: Simplify right side
    3,942,649.40x = 20,957,590,125,518.46
  5. Step 5: Solve for x
    x = 20,957,590,125,518.46/3,942,649.40
  6. Step 6: Final answer
    x = 5,315,610.90

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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.