Home / 1,979,127.76-2,731,201.58-1,073,709.76

Finding the Fourth Proportional to 1,979,127.76, 2,731,201.58 and 1,073,709.76

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Solution

The fourth proportional to 1,979,127.76, 2,731,201.58 and 1,073,709.76 is: 1,481,722.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,127.76 : 2,731,201.58 = 1,073,709.76 : x
  2. Step 2: Convert to fraction form
    1,979,127.76/2,731,201.58 = 1,073,709.76/x
  3. Step 3: Cross multiply
    1,979,127.76x = 2,731,201.58 × 1,073,709.76
  4. Step 4: Simplify right side
    1,979,127.76x = 2,932,517,792,973.42
  5. Step 5: Solve for x
    x = 2,932,517,792,973.42/1,979,127.76
  6. Step 6: Final answer
    x = 1,481,722.33

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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.