Home / 3,998,664.28-5,518,019.46-2,280,337.84

Finding the Fourth Proportional to 3,998,664.28, 5,518,019.46 and 2,280,337.84

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Solution

The fourth proportional to 3,998,664.28, 5,518,019.46 and 2,280,337.84 is: 3,146,787.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998,664.28 : 5,518,019.46 = 2,280,337.84 : x
  2. Step 2: Convert to fraction form
    3,998,664.28/5,518,019.46 = 2,280,337.84/x
  3. Step 3: Cross multiply
    3,998,664.28x = 5,518,019.46 × 2,280,337.84
  4. Step 4: Simplify right side
    3,998,664.28x = 12,582,948,576,494.37
  5. Step 5: Solve for x
    x = 12,582,948,576,494.37/3,998,664.28
  6. Step 6: Final answer
    x = 3,146,787.95

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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.