Home / 1,540,195.91-2,320,691.42-1,276,199.06

Finding the Fourth Proportional to 1,540,195.91, 2,320,691.42 and 1,276,199.06

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Solution

The fourth proportional to 1,540,195.91, 2,320,691.42 and 1,276,199.06 is: 1,922,913.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,195.91 : 2,320,691.42 = 1,276,199.06 : x
  2. Step 2: Convert to fraction form
    1,540,195.91/2,320,691.42 = 1,276,199.06/x
  3. Step 3: Cross multiply
    1,540,195.91x = 2,320,691.42 × 1,276,199.06
  4. Step 4: Simplify right side
    1,540,195.91x = 2,961,664,200,341.11
  5. Step 5: Solve for x
    x = 2,961,664,200,341.11/1,540,195.91
  6. Step 6: Final answer
    x = 1,922,913.95

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.