Home / 3,890,808.32-5,368,369.92-2,280,865.28

Finding the Fourth Proportional to 3,890,808.32, 5,368,369.92 and 2,280,865.28

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Solution

The fourth proportional to 3,890,808.32, 5,368,369.92 and 2,280,865.28 is: 3,147,039.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890,808.32 : 5,368,369.92 = 2,280,865.28 : x
  2. Step 2: Convert to fraction form
    3,890,808.32/5,368,369.92 = 2,280,865.28/x
  3. Step 3: Cross multiply
    3,890,808.32x = 5,368,369.92 × 2,280,865.28
  4. Step 4: Simplify right side
    3,890,808.32x = 12,244,528,560,724.38
  5. Step 5: Solve for x
    x = 12,244,528,560,724.38/3,890,808.32
  6. Step 6: Final answer
    x = 3,147,039.78

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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.