Home / 3,115,997.40-4,673,121.30-986,734.20

Finding the Fourth Proportional to 3,115,997.40, 4,673,121.30 and 986,734.20

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Solution

The fourth proportional to 3,115,997.40, 4,673,121.30 and 986,734.20 is: 1,479,824.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,997.40 : 4,673,121.30 = 986,734.20 : x
  2. Step 2: Convert to fraction form
    3,115,997.40/4,673,121.30 = 986,734.20/x
  3. Step 3: Cross multiply
    3,115,997.40x = 4,673,121.30 × 986,734.20
  4. Step 4: Simplify right side
    3,115,997.40x = 4,611,128,607,458.46
  5. Step 5: Solve for x
    x = 4,611,128,607,458.46/3,115,997.40
  6. Step 6: Final answer
    x = 1,479,824.28

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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.