Home / 1,979,205.49-2,731,308.83-1,073,787.49

Finding the Fourth Proportional to 1,979,205.49, 2,731,308.83 and 1,073,787.49

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Solution

The fourth proportional to 1,979,205.49, 2,731,308.83 and 1,073,787.49 is: 1,481,829.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,205.49 : 2,731,308.83 = 1,073,787.49 : x
  2. Step 2: Convert to fraction form
    1,979,205.49/2,731,308.83 = 1,073,787.49/x
  3. Step 3: Cross multiply
    1,979,205.49x = 2,731,308.83 × 1,073,787.49
  4. Step 4: Simplify right side
    1,979,205.49x = 2,932,845,252,980.54
  5. Step 5: Solve for x
    x = 2,932,845,252,980.54/1,979,205.49
  6. Step 6: Final answer
    x = 1,481,829.59

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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.