Home / 4,872,084.79-6,722,886.77-2,807,777.31

Finding the Fourth Proportional to 4,872,084.79, 6,722,886.77 and 2,807,777.31

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Solution

The fourth proportional to 4,872,084.79, 6,722,886.77 and 2,807,777.31 is: 3,874,392.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872,084.79 : 6,722,886.77 = 2,807,777.31 : x
  2. Step 2: Convert to fraction form
    4,872,084.79/6,722,886.77 = 2,807,777.31/x
  3. Step 3: Cross multiply
    4,872,084.79x = 6,722,886.77 × 2,807,777.31
  4. Step 4: Simplify right side
    4,872,084.79x = 18,876,368,882,851.87
  5. Step 5: Solve for x
    x = 18,876,368,882,851.87/4,872,084.79
  6. Step 6: Final answer
    x = 3,874,392.53

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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.