Home / 3,992,432.80-5,988,908.40-2,102,864.80

Finding the Fourth Proportional to 3,992,432.80, 5,988,908.40 and 2,102,864.80

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Solution

The fourth proportional to 3,992,432.80, 5,988,908.40 and 2,102,864.80 is: 3,154,433.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992,432.80 : 5,988,908.40 = 2,102,864.80 : x
  2. Step 2: Convert to fraction form
    3,992,432.80/5,988,908.40 = 2,102,864.80/x
  3. Step 3: Cross multiply
    3,992,432.80x = 5,988,908.40 × 2,102,864.80
  4. Step 4: Simplify right side
    3,992,432.80x = 12,593,864,664,784.32
  5. Step 5: Solve for x
    x = 12,593,864,664,784.32/3,992,432.80
  6. Step 6: Final answer
    x = 3,154,433.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.