Home / 2,177,519.82-3,005,145.66-1,306,387.14

Finding the Fourth Proportional to 2,177,519.82, 3,005,145.66 and 1,306,387.14

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Solution

The fourth proportional to 2,177,519.82, 3,005,145.66 and 1,306,387.14 is: 1,802,915.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,519.82 : 3,005,145.66 = 1,306,387.14 : x
  2. Step 2: Convert to fraction form
    2,177,519.82/3,005,145.66 = 1,306,387.14/x
  3. Step 3: Cross multiply
    2,177,519.82x = 3,005,145.66 × 1,306,387.14
  4. Step 4: Simplify right side
    2,177,519.82x = 3,925,883,644,050.81
  5. Step 5: Solve for x
    x = 3,925,883,644,050.81/2,177,519.82
  6. Step 6: Final answer
    x = 1,802,915.23

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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.