Home / 2,518,190.10-3,778,020.66-812,295.54

Finding the Fourth Proportional to 2,518,190.10, 3,778,020.66 and 812,295.54

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Solution

The fourth proportional to 2,518,190.10, 3,778,020.66 and 812,295.54 is: 1,218,680.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518,190.10 : 3,778,020.66 = 812,295.54 : x
  2. Step 2: Convert to fraction form
    2,518,190.10/3,778,020.66 = 812,295.54/x
  3. Step 3: Cross multiply
    2,518,190.10x = 3,778,020.66 × 812,295.54
  4. Step 4: Simplify right side
    2,518,190.10x = 3,068,869,332,145.86
  5. Step 5: Solve for x
    x = 3,068,869,332,145.86/2,518,190.10
  6. Step 6: Final answer
    x = 1,218,680.56

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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.