Home / 2,177,561.25-3,005,202.85-1,306,428.73

Finding the Fourth Proportional to 2,177,561.25, 3,005,202.85 and 1,306,428.73

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Solution

The fourth proportional to 2,177,561.25, 3,005,202.85 and 1,306,428.73 is: 1,802,972.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,561.25 : 3,005,202.85 = 1,306,428.73 : x
  2. Step 2: Convert to fraction form
    2,177,561.25/3,005,202.85 = 1,306,428.73/x
  3. Step 3: Cross multiply
    2,177,561.25x = 3,005,202.85 × 1,306,428.73
  4. Step 4: Simplify right side
    2,177,561.25x = 3,926,083,342,717.88
  5. Step 5: Solve for x
    x = 3,926,083,342,717.88/2,177,561.25
  6. Step 6: Final answer
    x = 1,802,972.63

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1.5x scale

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.