Home / 1,517,911.80-2,274,102.90-1,235,902.20

Finding the Fourth Proportional to 1,517,911.80, 2,274,102.90 and 1,235,902.20

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Solution

The fourth proportional to 1,517,911.80, 2,274,102.90 and 1,235,902.20 is: 1,851,602.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,911.80 : 2,274,102.90 = 1,235,902.20 : x
  2. Step 2: Convert to fraction form
    1,517,911.80/2,274,102.90 = 1,235,902.20/x
  3. Step 3: Cross multiply
    1,517,911.80x = 2,274,102.90 × 1,235,902.20
  4. Step 4: Simplify right side
    1,517,911.80x = 2,810,568,777,136.38
  5. Step 5: Solve for x
    x = 2,810,568,777,136.38/1,517,911.80
  6. Step 6: Final answer
    x = 1,851,602.17

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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.