Home / 2,420,815.20-3,631,222.80-1,609,000.80

Finding the Fourth Proportional to 2,420,815.20, 3,631,222.80 and 1,609,000.80

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Solution

The fourth proportional to 2,420,815.20, 3,631,222.80 and 1,609,000.80 is: 2,413,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420,815.20 : 3,631,222.80 = 1,609,000.80 : x
  2. Step 2: Convert to fraction form
    2,420,815.20/3,631,222.80 = 1,609,000.80/x
  3. Step 3: Cross multiply
    2,420,815.20x = 3,631,222.80 × 1,609,000.80
  4. Step 4: Simplify right side
    2,420,815.20x = 5,842,640,390,178.24
  5. Step 5: Solve for x
    x = 5,842,640,390,178.24/2,420,815.20
  6. Step 6: Final answer
    x = 2,413,501.20

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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.