Home / 2,867,512.90-3,957,017.22-1,578,106.84

Finding the Fourth Proportional to 2,867,512.90, 3,957,017.22 and 1,578,106.84

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Solution

The fourth proportional to 2,867,512.90, 3,957,017.22 and 1,578,106.84 is: 2,177,704.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867,512.90 : 3,957,017.22 = 1,578,106.84 : x
  2. Step 2: Convert to fraction form
    2,867,512.90/3,957,017.22 = 1,578,106.84/x
  3. Step 3: Cross multiply
    2,867,512.90x = 3,957,017.22 × 1,578,106.84
  4. Step 4: Simplify right side
    2,867,512.90x = 6,244,595,940,879.79
  5. Step 5: Solve for x
    x = 6,244,595,940,879.79/2,867,512.90
  6. Step 6: Final answer
    x = 2,177,704.57

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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.