Home / 2,617,265.12-3,925,898.60-820,288.02

Finding the Fourth Proportional to 2,617,265.12, 3,925,898.60 and 820,288.02

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Solution

The fourth proportional to 2,617,265.12, 3,925,898.60 and 820,288.02 is: 1,230,432.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617,265.12 : 3,925,898.60 = 820,288.02 : x
  2. Step 2: Convert to fraction form
    2,617,265.12/3,925,898.60 = 820,288.02/x
  3. Step 3: Cross multiply
    2,617,265.12x = 3,925,898.60 × 820,288.02
  4. Step 4: Simplify right side
    2,617,265.12x = 3,220,367,585,213.33
  5. Step 5: Solve for x
    x = 3,220,367,585,213.33/2,617,265.12
  6. Step 6: Final answer
    x = 1,230,432.32

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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.