Home / 1,979,553.60-2,731,815.72-1,074,135.60

Finding the Fourth Proportional to 1,979,553.60, 2,731,815.72 and 1,074,135.60

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Solution

The fourth proportional to 1,979,553.60, 2,731,815.72 and 1,074,135.60 is: 1,482,324.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,553.60 : 2,731,815.72 = 1,074,135.60 : x
  2. Step 2: Convert to fraction form
    1,979,553.60/2,731,815.72 = 1,074,135.60/x
  3. Step 3: Cross multiply
    1,979,553.60x = 2,731,815.72 × 1,074,135.60
  4. Step 4: Simplify right side
    1,979,553.60x = 2,934,340,517,491.63
  5. Step 5: Solve for x
    x = 2,934,340,517,491.63/1,979,553.60
  6. Step 6: Final answer
    x = 1,482,324.36

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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.