Home / 3,122,706.78-4,684,061.79-878,844.78

Finding the Fourth Proportional to 3,122,706.78, 4,684,061.79 and 878,844.78

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Solution

The fourth proportional to 3,122,706.78, 4,684,061.79 and 878,844.78 is: 1,318,267.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122,706.78 : 4,684,061.79 = 878,844.78 : x
  2. Step 2: Convert to fraction form
    3,122,706.78/4,684,061.79 = 878,844.78/x
  3. Step 3: Cross multiply
    3,122,706.78x = 4,684,061.79 × 878,844.78
  4. Step 4: Simplify right side
    3,122,706.78x = 4,116,563,253,338.96
  5. Step 5: Solve for x
    x = 4,116,563,253,338.96/3,122,706.78
  6. Step 6: Final answer
    x = 1,318,267.63

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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.