Home / 1,986,883.88-2,980,770.26-724,711.51

Finding the Fourth Proportional to 1,986,883.88, 2,980,770.26 and 724,711.51

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Solution

The fourth proportional to 1,986,883.88, 2,980,770.26 and 724,711.51 is: 1,087,229.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,883.88 : 2,980,770.26 = 724,711.51 : x
  2. Step 2: Convert to fraction form
    1,986,883.88/2,980,770.26 = 724,711.51/x
  3. Step 3: Cross multiply
    1,986,883.88x = 2,980,770.26 × 724,711.51
  4. Step 4: Simplify right side
    1,986,883.88x = 2,160,198,497,560.28
  5. Step 5: Solve for x
    x = 2,160,198,497,560.28/1,986,883.88
  6. Step 6: Final answer
    x = 1,087,229.36

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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.