Home / 2,972,422.78-4,455,517.28-1,454,009.74

Finding the Fourth Proportional to 2,972,422.78, 4,455,517.28 and 1,454,009.74

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Solution

The fourth proportional to 2,972,422.78, 4,455,517.28 and 1,454,009.74 is: 2,179,489.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972,422.78 : 4,455,517.28 = 1,454,009.74 : x
  2. Step 2: Convert to fraction form
    2,972,422.78/4,455,517.28 = 1,454,009.74/x
  3. Step 3: Cross multiply
    2,972,422.78x = 4,455,517.28 × 1,454,009.74
  4. Step 4: Simplify right side
    2,972,422.78x = 6,478,365,521,858.31
  5. Step 5: Solve for x
    x = 6,478,365,521,858.31/2,972,422.78
  6. Step 6: Final answer
    x = 2,179,489.93

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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.