Home / 2,692,189.57-3,716,593.53-2,078,965.71

Finding the Fourth Proportional to 2,692,189.57, 3,716,593.53 and 2,078,965.71

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Solution

The fourth proportional to 2,692,189.57, 3,716,593.53 and 2,078,965.71 is: 2,870,032.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692,189.57 : 3,716,593.53 = 2,078,965.71 : x
  2. Step 2: Convert to fraction form
    2,692,189.57/3,716,593.53 = 2,078,965.71/x
  3. Step 3: Cross multiply
    2,692,189.57x = 3,716,593.53 × 2,078,965.71
  4. Step 4: Simplify right side
    2,692,189.57x = 7,726,670,498,020.17
  5. Step 5: Solve for x
    x = 7,726,670,498,020.17/2,692,189.57
  6. Step 6: Final answer
    x = 2,870,032.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.