Home / 3,321,980.60-4,982,711.70-1,299,831.80

Finding the Fourth Proportional to 3,321,980.60, 4,982,711.70 and 1,299,831.80

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Solution

The fourth proportional to 3,321,980.60, 4,982,711.70 and 1,299,831.80 is: 1,949,646.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321,980.60 : 4,982,711.70 = 1,299,831.80 : x
  2. Step 2: Convert to fraction form
    3,321,980.60/4,982,711.70 = 1,299,831.80/x
  3. Step 3: Cross multiply
    3,321,980.60x = 4,982,711.70 × 1,299,831.80
  4. Step 4: Simplify right side
    3,321,980.60x = 6,476,687,117,892.06
  5. Step 5: Solve for x
    x = 6,476,687,117,892.06/3,321,980.60
  6. Step 6: Final answer
    x = 1,949,646.28

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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.