Home / 2,081,715.38-2,871,887.54-1,393,608.92

Finding the Fourth Proportional to 2,081,715.38, 2,871,887.54 and 1,393,608.92

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Solution

The fourth proportional to 2,081,715.38, 2,871,887.54 and 1,393,608.92 is: 1,922,591.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,081,715.38 : 2,871,887.54 = 1,393,608.92 : x
  2. Step 2: Convert to fraction form
    2,081,715.38/2,871,887.54 = 1,393,608.92/x
  3. Step 3: Cross multiply
    2,081,715.38x = 2,871,887.54 × 1,393,608.92
  4. Step 4: Simplify right side
    2,081,715.38x = 4,002,288,071,653.38
  5. Step 5: Solve for x
    x = 4,002,288,071,653.38/2,081,715.38
  6. Step 6: Final answer
    x = 1,922,591.40

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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.