Home / 5,177,792-7,145,385.72-2,886,097.52

Finding the Fourth Proportional to 5,177,792, 7,145,385.72 and 2,886,097.52

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Solution

The fourth proportional to 5,177,792, 7,145,385.72 and 2,886,097.52 is: 3,982,832.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177,792 : 7,145,385.72 = 2,886,097.52 : x
  2. Step 2: Convert to fraction form
    5,177,792/7,145,385.72 = 2,886,097.52/x
  3. Step 3: Cross multiply
    5,177,792x = 7,145,385.72 × 2,886,097.52
  4. Step 4: Simplify right side
    5,177,792x = 20,622,280,005,935.41
  5. Step 5: Solve for x
    x = 20,622,280,005,935.41/5,177,792
  6. Step 6: Final answer
    x = 3,982,832.84

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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.