Home / 2,664,013.20-3,996,019.80-1,992,166.80

Finding the Fourth Proportional to 2,664,013.20, 3,996,019.80 and 1,992,166.80

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Solution

The fourth proportional to 2,664,013.20, 3,996,019.80 and 1,992,166.80 is: 2,988,250.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,664,013.20 : 3,996,019.80 = 1,992,166.80 : x
  2. Step 2: Convert to fraction form
    2,664,013.20/3,996,019.80 = 1,992,166.80/x
  3. Step 3: Cross multiply
    2,664,013.20x = 3,996,019.80 × 1,992,166.80
  4. Step 4: Simplify right side
    2,664,013.20x = 7,960,737,977,702.64
  5. Step 5: Solve for x
    x = 7,960,737,977,702.64/2,664,013.20
  6. Step 6: Final answer
    x = 2,988,250.20

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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.