Home / 1,796,977.18-2,479,809.45-981,178.30

Finding the Fourth Proportional to 1,796,977.18, 2,479,809.45 and 981,178.30

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Solution

The fourth proportional to 1,796,977.18, 2,479,809.45 and 981,178.30 is: 1,354,015.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796,977.18 : 2,479,809.45 = 981,178.30 : x
  2. Step 2: Convert to fraction form
    1,796,977.18/2,479,809.45 = 981,178.30/x
  3. Step 3: Cross multiply
    1,796,977.18x = 2,479,809.45 × 981,178.30
  4. Step 4: Simplify right side
    1,796,977.18x = 2,433,135,220,474.94
  5. Step 5: Solve for x
    x = 2,433,135,220,474.94/1,796,977.18
  6. Step 6: Final answer
    x = 1,354,015.65

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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.