Home / 1,941,369.38-2,912,201.49-661,579.10

Finding the Fourth Proportional to 1,941,369.38, 2,912,201.49 and 661,579.10

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Solution

The fourth proportional to 1,941,369.38, 2,912,201.49 and 661,579.10 is: 992,418.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,369.38 : 2,912,201.49 = 661,579.10 : x
  2. Step 2: Convert to fraction form
    1,941,369.38/2,912,201.49 = 661,579.10/x
  3. Step 3: Cross multiply
    1,941,369.38x = 2,912,201.49 × 661,579.10
  4. Step 4: Simplify right side
    1,941,369.38x = 1,926,651,640,772.86
  5. Step 5: Solve for x
    x = 1,926,651,640,772.86/1,941,369.38
  6. Step 6: Final answer
    x = 992,418.89

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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.