Home / 3,974,981.47-5,961,208.14-1,278,679.04

Finding the Fourth Proportional to 3,974,981.47, 5,961,208.14 and 1,278,679.04

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Solution

The fourth proportional to 3,974,981.47, 5,961,208.14 and 1,278,679.04 is: 1,917,611.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974,981.47 : 5,961,208.14 = 1,278,679.04 : x
  2. Step 2: Convert to fraction form
    3,974,981.47/5,961,208.14 = 1,278,679.04/x
  3. Step 3: Cross multiply
    3,974,981.47x = 5,961,208.14 × 1,278,679.04
  4. Step 4: Simplify right side
    3,974,981.47x = 7,622,471,901,695.39
  5. Step 5: Solve for x
    x = 7,622,471,901,695.39/3,974,981.47
  6. Step 6: Final answer
    x = 1,917,611.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.