Home / 3,871,184.28-5,342,815.62-2,787,044.28

Finding the Fourth Proportional to 3,871,184.28, 5,342,815.62 and 2,787,044.28

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Solution

The fourth proportional to 3,871,184.28, 5,342,815.62 and 2,787,044.28 is: 3,846,539.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,871,184.28 : 5,342,815.62 = 2,787,044.28 : x
  2. Step 2: Convert to fraction form
    3,871,184.28/5,342,815.62 = 2,787,044.28/x
  3. Step 3: Cross multiply
    3,871,184.28x = 5,342,815.62 × 2,787,044.28
  4. Step 4: Simplify right side
    3,871,184.28x = 14,890,663,712,815.65
  5. Step 5: Solve for x
    x = 14,890,663,712,815.65/3,871,184.28
  6. Step 6: Final answer
    x = 3,846,539.62

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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.