Home / 2,867,565.63-3,957,209.18-1,578,378.27

Finding the Fourth Proportional to 2,867,565.63, 3,957,209.18 and 1,578,378.27

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Solution

The fourth proportional to 2,867,565.63, 3,957,209.18 and 1,578,378.27 is: 2,178,144.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867,565.63 : 3,957,209.18 = 1,578,378.27 : x
  2. Step 2: Convert to fraction form
    2,867,565.63/3,957,209.18 = 1,578,378.27/x
  3. Step 3: Cross multiply
    2,867,565.63x = 3,957,209.18 × 1,578,378.27
  4. Step 4: Simplify right side
    2,867,565.63x = 6,245,972,971,664.63
  5. Step 5: Solve for x
    x = 6,245,972,971,664.63/2,867,565.63
  6. Step 6: Final answer
    x = 2,178,144.73

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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.