Home / 3,012,972.16-4,519,456.80-769,109.44

Finding the Fourth Proportional to 3,012,972.16, 4,519,456.80 and 769,109.44

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Solution

The fourth proportional to 3,012,972.16, 4,519,456.80 and 769,109.44 is: 1,153,663.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012,972.16 : 4,519,456.80 = 769,109.44 : x
  2. Step 2: Convert to fraction form
    3,012,972.16/4,519,456.80 = 769,109.44/x
  3. Step 3: Cross multiply
    3,012,972.16x = 4,519,456.80 × 769,109.44
  4. Step 4: Simplify right side
    3,012,972.16x = 3,475,956,888,552.19
  5. Step 5: Solve for x
    x = 3,475,956,888,552.19/3,012,972.16
  6. Step 6: Final answer
    x = 1,153,663.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.