Home / 1,979,443.80-2,969,165.70-1,270,855.80

Finding the Fourth Proportional to 1,979,443.80, 2,969,165.70 and 1,270,855.80

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Solution

The fourth proportional to 1,979,443.80, 2,969,165.70 and 1,270,855.80 is: 1,906,283.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,443.80 : 2,969,165.70 = 1,270,855.80 : x
  2. Step 2: Convert to fraction form
    1,979,443.80/2,969,165.70 = 1,270,855.80/x
  3. Step 3: Cross multiply
    1,979,443.80x = 2,969,165.70 × 1,270,855.80
  4. Step 4: Simplify right side
    1,979,443.80x = 3,773,381,451,006.06
  5. Step 5: Solve for x
    x = 3,773,381,451,006.06/1,979,443.80
  6. Step 6: Final answer
    x = 1,906,283.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.