Home / 5,076,921.11-7,006,152.49-2,785,081.79

Finding the Fourth Proportional to 5,076,921.11, 7,006,152.49 and 2,785,081.79

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Solution

The fourth proportional to 5,076,921.11, 7,006,152.49 and 2,785,081.79 is: 3,843,413.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076,921.11 : 7,006,152.49 = 2,785,081.79 : x
  2. Step 2: Convert to fraction form
    5,076,921.11/7,006,152.49 = 2,785,081.79/x
  3. Step 3: Cross multiply
    5,076,921.11x = 7,006,152.49 × 2,785,081.79
  4. Step 4: Simplify right side
    5,076,921.11x = 19,512,707,728,414.83
  5. Step 5: Solve for x
    x = 19,512,707,728,414.83/5,076,921.11
  6. Step 6: Final answer
    x = 3,843,413.62

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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.