Home / 2,852,831.20-4,279,441.20-907,405.60

Finding the Fourth Proportional to 2,852,831.20, 4,279,441.20 and 907,405.60

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Solution

The fourth proportional to 2,852,831.20, 4,279,441.20 and 907,405.60 is: 1,361,170.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,852,831.20 : 4,279,441.20 = 907,405.60 : x
  2. Step 2: Convert to fraction form
    2,852,831.20/4,279,441.20 = 907,405.60/x
  3. Step 3: Cross multiply
    2,852,831.20x = 4,279,441.20 × 907,405.60
  4. Step 4: Simplify right side
    2,852,831.20x = 3,883,188,909,750.72
  5. Step 5: Solve for x
    x = 3,883,188,909,750.72/2,852,831.20
  6. Step 6: Final answer
    x = 1,361,170.23

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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.