Home / 5,185,180.59-7,154,480.78-2,979,616.95

Finding the Fourth Proportional to 5,185,180.59, 7,154,480.78 and 2,979,616.95

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Solution

The fourth proportional to 5,185,180.59, 7,154,480.78 and 2,979,616.95 is: 4,111,257.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185,180.59 : 7,154,480.78 = 2,979,616.95 : x
  2. Step 2: Convert to fraction form
    5,185,180.59/7,154,480.78 = 2,979,616.95/x
  3. Step 3: Cross multiply
    5,185,180.59x = 7,154,480.78 × 2,979,616.95
  4. Step 4: Simplify right side
    5,185,180.59x = 21,317,612,185,639.14
  5. Step 5: Solve for x
    x = 21,317,612,185,639.14/5,185,180.59
  6. Step 6: Final answer
    x = 4,111,257.42

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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.