Home / 2,754,680.80-4,132,021.20-1,914,872.80

Finding the Fourth Proportional to 2,754,680.80, 4,132,021.20 and 1,914,872.80

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Solution

The fourth proportional to 2,754,680.80, 4,132,021.20 and 1,914,872.80 is: 2,872,309.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754,680.80 : 4,132,021.20 = 1,914,872.80 : x
  2. Step 2: Convert to fraction form
    2,754,680.80/4,132,021.20 = 1,914,872.80/x
  3. Step 3: Cross multiply
    2,754,680.80x = 4,132,021.20 × 1,914,872.80
  4. Step 4: Simplify right side
    2,754,680.80x = 7,912,295,004,903.36
  5. Step 5: Solve for x
    x = 7,912,295,004,903.36/2,754,680.80
  6. Step 6: Final answer
    x = 2,872,309.20

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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.