Home / 1,721,479.20-2,579,108.40-1,522,413.60

Finding the Fourth Proportional to 1,721,479.20, 2,579,108.40 and 1,522,413.60

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Solution

The fourth proportional to 1,721,479.20, 2,579,108.40 and 1,522,413.60 is: 2,280,869.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,479.20 : 2,579,108.40 = 1,522,413.60 : x
  2. Step 2: Convert to fraction form
    1,721,479.20/2,579,108.40 = 1,522,413.60/x
  3. Step 3: Cross multiply
    1,721,479.20x = 2,579,108.40 × 1,522,413.60
  4. Step 4: Simplify right side
    1,721,479.20x = 3,926,469,704,034.24
  5. Step 5: Solve for x
    x = 3,926,469,704,034.24/1,721,479.20
  6. Step 6: Final answer
    x = 2,280,869.68

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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.