Home / 1,900,102.38-2,622,043.08-1,040,496.78

Finding the Fourth Proportional to 1,900,102.38, 2,622,043.08 and 1,040,496.78

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Solution

The fourth proportional to 1,900,102.38, 2,622,043.08 and 1,040,496.78 is: 1,435,831.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,102.38 : 2,622,043.08 = 1,040,496.78 : x
  2. Step 2: Convert to fraction form
    1,900,102.38/2,622,043.08 = 1,040,496.78/x
  3. Step 3: Cross multiply
    1,900,102.38x = 2,622,043.08 × 1,040,496.78
  4. Step 4: Simplify right side
    1,900,102.38x = 2,728,227,381,761.28
  5. Step 5: Solve for x
    x = 2,728,227,381,761.28/1,900,102.38
  6. Step 6: Final answer
    x = 1,435,831.78

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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.