Home / 3,532,902.80-5,300,136.12-1,289,034.32

Finding the Fourth Proportional to 3,532,902.80, 5,300,136.12 and 1,289,034.32

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Solution

The fourth proportional to 3,532,902.80, 5,300,136.12 and 1,289,034.32 is: 1,933,836.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,532,902.80 : 5,300,136.12 = 1,289,034.32 : x
  2. Step 2: Convert to fraction form
    3,532,902.80/5,300,136.12 = 1,289,034.32/x
  3. Step 3: Cross multiply
    3,532,902.80x = 5,300,136.12 × 1,289,034.32
  4. Step 4: Simplify right side
    3,532,902.80x = 6,832,057,359,351.64
  5. Step 5: Solve for x
    x = 6,832,057,359,351.64/3,532,902.80
  6. Step 6: Final answer
    x = 1,933,836.78

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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.