Home / 2,128,963.38-2,937,944.97-1,162,085.82

Finding the Fourth Proportional to 2,128,963.38, 2,937,944.97 and 1,162,085.82

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Solution

The fourth proportional to 2,128,963.38, 2,937,944.97 and 1,162,085.82 is: 1,603,665.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,963.38 : 2,937,944.97 = 1,162,085.82 : x
  2. Step 2: Convert to fraction form
    2,128,963.38/2,937,944.97 = 1,162,085.82/x
  3. Step 3: Cross multiply
    2,128,963.38x = 2,937,944.97 × 1,162,085.82
  4. Step 4: Simplify right side
    2,128,963.38x = 3,414,144,189,577.33
  5. Step 5: Solve for x
    x = 3,414,144,189,577.33/2,128,963.38
  6. Step 6: Final answer
    x = 1,603,665.06

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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.