Home / 1,802,568.68-2,487,818-1,028,195.72

Finding the Fourth Proportional to 1,802,568.68, 2,487,818 and 1,028,195.72

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Solution

The fourth proportional to 1,802,568.68, 2,487,818 and 1,028,195.72 is: 1,419,065.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,802,568.68 : 2,487,818 = 1,028,195.72 : x
  2. Step 2: Convert to fraction form
    1,802,568.68/2,487,818 = 1,028,195.72/x
  3. Step 3: Cross multiply
    1,802,568.68x = 2,487,818 × 1,028,195.72
  4. Step 4: Simplify right side
    1,802,568.68x = 2,557,963,819,738.96
  5. Step 5: Solve for x
    x = 2,557,963,819,738.96/1,802,568.68
  6. Step 6: Final answer
    x = 1,419,065.94

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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.