Home / 2,389,399.40-3,578,197.83-1,780,728.14

Finding the Fourth Proportional to 2,389,399.40, 3,578,197.83 and 1,780,728.14

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Solution

The fourth proportional to 2,389,399.40, 3,578,197.83 and 1,780,728.14 is: 2,666,694.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389,399.40 : 3,578,197.83 = 1,780,728.14 : x
  2. Step 2: Convert to fraction form
    2,389,399.40/3,578,197.83 = 1,780,728.14/x
  3. Step 3: Cross multiply
    2,389,399.40x = 3,578,197.83 × 1,780,728.14
  4. Step 4: Simplify right side
    2,389,399.40x = 6,371,797,566,367.94
  5. Step 5: Solve for x
    x = 6,371,797,566,367.94/2,389,399.40
  6. Step 6: Final answer
    x = 2,666,694.22

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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.