Home / 1,979,108.74-2,731,175.36-1,073,690.74

Finding the Fourth Proportional to 1,979,108.74, 2,731,175.36 and 1,073,690.74

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Solution

The fourth proportional to 1,979,108.74, 2,731,175.36 and 1,073,690.74 is: 1,481,696.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,108.74 : 2,731,175.36 = 1,073,690.74 : x
  2. Step 2: Convert to fraction form
    1,979,108.74/2,731,175.36 = 1,073,690.74/x
  3. Step 3: Cross multiply
    1,979,108.74x = 2,731,175.36 × 1,073,690.74
  4. Step 4: Simplify right side
    1,979,108.74x = 2,932,437,693,348.17
  5. Step 5: Solve for x
    x = 2,932,437,693,348.17/1,979,108.74
  6. Step 6: Final answer
    x = 1,481,696.10

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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.