Home / 2,079,318.45-2,868,261.97-1,251,816.43

Finding the Fourth Proportional to 2,079,318.45, 2,868,261.97 and 1,251,816.43

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Solution

The fourth proportional to 2,079,318.45, 2,868,261.97 and 1,251,816.43 is: 1,726,785.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,318.45 : 2,868,261.97 = 1,251,816.43 : x
  2. Step 2: Convert to fraction form
    2,079,318.45/2,868,261.97 = 1,251,816.43/x
  3. Step 3: Cross multiply
    2,079,318.45x = 2,868,261.97 × 1,251,816.43
  4. Step 4: Simplify right side
    2,079,318.45x = 3,590,537,438,989.78
  5. Step 5: Solve for x
    x = 3,590,537,438,989.78/2,079,318.45
  6. Step 6: Final answer
    x = 1,726,785.74

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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.