Home / 2,917,121.40-4,375,682.10-787,202.10

Finding the Fourth Proportional to 2,917,121.40, 4,375,682.10 and 787,202.10

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Solution

The fourth proportional to 2,917,121.40, 4,375,682.10 and 787,202.10 is: 1,180,803.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917,121.40 : 4,375,682.10 = 787,202.10 : x
  2. Step 2: Convert to fraction form
    2,917,121.40/4,375,682.10 = 787,202.10/x
  3. Step 3: Cross multiply
    2,917,121.40x = 4,375,682.10 × 787,202.10
  4. Step 4: Simplify right side
    2,917,121.40x = 3,444,546,138,052.41
  5. Step 5: Solve for x
    x = 3,444,546,138,052.41/2,917,121.40
  6. Step 6: Final answer
    x = 1,180,803.15

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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.