Home / 1,472,200.43-2,033,185.49-1,311,719.43

Finding the Fourth Proportional to 1,472,200.43, 2,033,185.49 and 1,311,719.43

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Solution

The fourth proportional to 1,472,200.43, 2,033,185.49 and 1,311,719.43 is: 1,811,552.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,200.43 : 2,033,185.49 = 1,311,719.43 : x
  2. Step 2: Convert to fraction form
    1,472,200.43/2,033,185.49 = 1,311,719.43/x
  3. Step 3: Cross multiply
    1,472,200.43x = 2,033,185.49 × 1,311,719.43
  4. Step 4: Simplify right side
    1,472,200.43x = 2,666,968,918,011.87
  5. Step 5: Solve for x
    x = 2,666,968,918,011.87/1,472,200.43
  6. Step 6: Final answer
    x = 1,811,552.88

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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.