Home / 3,942,486.50-5,914,728.56-1,210,172.42

Finding the Fourth Proportional to 3,942,486.50, 5,914,728.56 and 1,210,172.42

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Solution

The fourth proportional to 3,942,486.50, 5,914,728.56 and 1,210,172.42 is: 1,815,565.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942,486.50 : 5,914,728.56 = 1,210,172.42 : x
  2. Step 2: Convert to fraction form
    3,942,486.50/5,914,728.56 = 1,210,172.42/x
  3. Step 3: Cross multiply
    3,942,486.50x = 5,914,728.56 × 1,210,172.42
  4. Step 4: Simplify right side
    3,942,486.50x = 7,157,841,375,098.32
  5. Step 5: Solve for x
    x = 7,157,841,375,098.32/3,942,486.50
  6. Step 6: Final answer
    x = 1,815,565.22

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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.