Home / 1,912,882.50-2,870,242.36-1,193,039.43

Finding the Fourth Proportional to 1,912,882.50, 2,870,242.36 and 1,193,039.43

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Solution

The fourth proportional to 1,912,882.50, 2,870,242.36 and 1,193,039.43 is: 1,790,132.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,882.50 : 2,870,242.36 = 1,193,039.43 : x
  2. Step 2: Convert to fraction form
    1,912,882.50/2,870,242.36 = 1,193,039.43/x
  3. Step 3: Cross multiply
    1,912,882.50x = 2,870,242.36 × 1,193,039.43
  4. Step 4: Simplify right side
    1,912,882.50x = 3,424,312,295,888.78
  5. Step 5: Solve for x
    x = 3,424,312,295,888.78/1,912,882.50
  6. Step 6: Final answer
    x = 1,790,132.06

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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.