Home / 2,820,831.20-4,231,246.80-826,287.20

Finding the Fourth Proportional to 2,820,831.20, 4,231,246.80 and 826,287.20

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Solution

The fourth proportional to 2,820,831.20, 4,231,246.80 and 826,287.20 is: 1,239,430.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820,831.20 : 4,231,246.80 = 826,287.20 : x
  2. Step 2: Convert to fraction form
    2,820,831.20/4,231,246.80 = 826,287.20/x
  3. Step 3: Cross multiply
    2,820,831.20x = 4,231,246.80 × 826,287.20
  4. Step 4: Simplify right side
    2,820,831.20x = 3,496,225,070,880.96
  5. Step 5: Solve for x
    x = 3,496,225,070,880.96/2,820,831.20
  6. Step 6: Final answer
    x = 1,239,430.80

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1.5x scale

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.