Home / 1,981,844.16-2,734,959.36-1,076,425.92

Finding the Fourth Proportional to 1,981,844.16, 2,734,959.36 and 1,076,425.92

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Solution

The fourth proportional to 1,981,844.16, 2,734,959.36 and 1,076,425.92 is: 1,485,475.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,844.16 : 2,734,959.36 = 1,076,425.92 : x
  2. Step 2: Convert to fraction form
    1,981,844.16/2,734,959.36 = 1,076,425.92/x
  3. Step 3: Cross multiply
    1,981,844.16x = 2,734,959.36 × 1,076,425.92
  4. Step 4: Simplify right side
    1,981,844.16x = 2,943,981,145,250.61
  5. Step 5: Solve for x
    x = 2,943,981,145,250.61/1,981,844.16
  6. Step 6: Final answer
    x = 1,485,475.60

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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.