Home / 1,979,208.50-2,731,312.96-1,073,790.50

Finding the Fourth Proportional to 1,979,208.50, 2,731,312.96 and 1,073,790.50

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Solution

The fourth proportional to 1,979,208.50, 2,731,312.96 and 1,073,790.50 is: 1,481,833.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,208.50 : 2,731,312.96 = 1,073,790.50 : x
  2. Step 2: Convert to fraction form
    1,979,208.50/2,731,312.96 = 1,073,790.50/x
  3. Step 3: Cross multiply
    1,979,208.50x = 2,731,312.96 × 1,073,790.50
  4. Step 4: Simplify right side
    1,979,208.50x = 2,932,857,908,974.88
  5. Step 5: Solve for x
    x = 2,932,857,908,974.88/1,979,208.50
  6. Step 6: Final answer
    x = 1,481,833.73

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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.