Home / 1,979,120.50-2,731,191.57-1,073,702.50

Finding the Fourth Proportional to 1,979,120.50, 2,731,191.57 and 1,073,702.50

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Solution

The fourth proportional to 1,979,120.50, 2,731,191.57 and 1,073,702.50 is: 1,481,712.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,120.50 : 2,731,191.57 = 1,073,702.50 : x
  2. Step 2: Convert to fraction form
    1,979,120.50/2,731,191.57 = 1,073,702.50/x
  3. Step 3: Cross multiply
    1,979,120.50x = 2,731,191.57 × 1,073,702.50
  4. Step 4: Simplify right side
    1,979,120.50x = 2,932,487,216,687.93
  5. Step 5: Solve for x
    x = 2,932,487,216,687.93/1,979,120.50
  6. Step 6: Final answer
    x = 1,481,712.31

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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.