Home / 1,967,521.80-2,951,282.70-970,120.20

Finding the Fourth Proportional to 1,967,521.80, 2,951,282.70 and 970,120.20

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Solution

The fourth proportional to 1,967,521.80, 2,951,282.70 and 970,120.20 is: 1,455,180.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,967,521.80 : 2,951,282.70 = 970,120.20 : x
  2. Step 2: Convert to fraction form
    1,967,521.80/2,951,282.70 = 970,120.20/x
  3. Step 3: Cross multiply
    1,967,521.80x = 2,951,282.70 × 970,120.20
  4. Step 4: Simplify right side
    1,967,521.80x = 2,863,098,963,180.54
  5. Step 5: Solve for x
    x = 2,863,098,963,180.54/1,967,521.80
  6. Step 6: Final answer
    x = 1,455,180.30

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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.