Home / 1,987,065.28-2,741,993.75-1,127,625.53

Finding the Fourth Proportional to 1,987,065.28, 2,741,993.75 and 1,127,625.53

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Solution

The fourth proportional to 1,987,065.28, 2,741,993.75 and 1,127,625.53 is: 1,556,034.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,065.28 : 2,741,993.75 = 1,127,625.53 : x
  2. Step 2: Convert to fraction form
    1,987,065.28/2,741,993.75 = 1,127,625.53/x
  3. Step 3: Cross multiply
    1,987,065.28x = 2,741,993.75 × 1,127,625.53
  4. Step 4: Simplify right side
    1,987,065.28x = 3,091,942,165,274.49
  5. Step 5: Solve for x
    x = 3,091,942,165,274.49/1,987,065.28
  6. Step 6: Final answer
    x = 1,556,034.52

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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.