Home / 2,847,141.42-3,929,055.03-1,557,981.90

Finding the Fourth Proportional to 2,847,141.42, 3,929,055.03 and 1,557,981.90

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Solution

The fourth proportional to 2,847,141.42, 3,929,055.03 and 1,557,981.90 is: 2,150,014.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847,141.42 : 3,929,055.03 = 1,557,981.90 : x
  2. Step 2: Convert to fraction form
    2,847,141.42/3,929,055.03 = 1,557,981.90/x
  3. Step 3: Cross multiply
    2,847,141.42x = 3,929,055.03 × 1,557,981.90
  4. Step 4: Simplify right side
    2,847,141.42x = 6,121,396,620,843.96
  5. Step 5: Solve for x
    x = 6,121,396,620,843.96/2,847,141.42
  6. Step 6: Final answer
    x = 2,150,014.95

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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.