Home / 1,917,299.30-2,646,831.83-1,192,380.56

Finding the Fourth Proportional to 1,917,299.30, 2,646,831.83 and 1,192,380.56

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Solution

The fourth proportional to 1,917,299.30, 2,646,831.83 and 1,192,380.56 is: 1,646,081.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,299.30 : 2,646,831.83 = 1,192,380.56 : x
  2. Step 2: Convert to fraction form
    1,917,299.30/2,646,831.83 = 1,192,380.56/x
  3. Step 3: Cross multiply
    1,917,299.30x = 2,646,831.83 × 1,192,380.56
  4. Step 4: Simplify right side
    1,917,299.30x = 3,156,030,829,279.26
  5. Step 5: Solve for x
    x = 3,156,030,829,279.26/1,917,299.30
  6. Step 6: Final answer
    x = 1,646,081.46

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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.