Home / 2,146,486.42-2,962,550.28-1,228,715.56

Finding the Fourth Proportional to 2,146,486.42, 2,962,550.28 and 1,228,715.56

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Solution

The fourth proportional to 2,146,486.42, 2,962,550.28 and 1,228,715.56 is: 1,695,855.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146,486.42 : 2,962,550.28 = 1,228,715.56 : x
  2. Step 2: Convert to fraction form
    2,146,486.42/2,962,550.28 = 1,228,715.56/x
  3. Step 3: Cross multiply
    2,146,486.42x = 2,962,550.28 × 1,228,715.56
  4. Step 4: Simplify right side
    2,146,486.42x = 3,640,131,626,318.36
  5. Step 5: Solve for x
    x = 3,640,131,626,318.36/2,146,486.42
  6. Step 6: Final answer
    x = 1,695,855.88

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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.