Home / 2,585,151.66-3,879,498.78-902,255.16

Finding the Fourth Proportional to 2,585,151.66, 3,879,498.78 and 902,255.16

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Solution

The fourth proportional to 2,585,151.66, 3,879,498.78 and 902,255.16 is: 1,354,000.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,585,151.66 : 3,879,498.78 = 902,255.16 : x
  2. Step 2: Convert to fraction form
    2,585,151.66/3,879,498.78 = 902,255.16/x
  3. Step 3: Cross multiply
    2,585,151.66x = 3,879,498.78 × 902,255.16
  4. Step 4: Simplify right side
    2,585,151.66x = 3,500,297,792,468.70
  5. Step 5: Solve for x
    x = 3,500,297,792,468.70/2,585,151.66
  6. Step 6: Final answer
    x = 1,354,000.95

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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.