Home / 2,719,469.90-4,079,669.58-1,121,159.27

Finding the Fourth Proportional to 2,719,469.90, 4,079,669.58 and 1,121,159.27

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Solution

The fourth proportional to 2,719,469.90, 4,079,669.58 and 1,121,159.27 is: 1,681,930.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719,469.90 : 4,079,669.58 = 1,121,159.27 : x
  2. Step 2: Convert to fraction form
    2,719,469.90/4,079,669.58 = 1,121,159.27/x
  3. Step 3: Cross multiply
    2,719,469.90x = 4,079,669.58 × 1,121,159.27
  4. Step 4: Simplify right side
    2,719,469.90x = 4,573,959,368,154.01
  5. Step 5: Solve for x
    x = 4,573,959,368,154.01/2,719,469.90
  6. Step 6: Final answer
    x = 1,681,930.50

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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.