Home / 3,321,800.80-4,982,701.20-3,155,912.80

Finding the Fourth Proportional to 3,321,800.80, 4,982,701.20 and 3,155,912.80

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Solution

The fourth proportional to 3,321,800.80, 4,982,701.20 and 3,155,912.80 is: 4,733,869.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321,800.80 : 4,982,701.20 = 3,155,912.80 : x
  2. Step 2: Convert to fraction form
    3,321,800.80/4,982,701.20 = 3,155,912.80/x
  3. Step 3: Cross multiply
    3,321,800.80x = 4,982,701.20 × 3,155,912.80
  4. Step 4: Simplify right side
    3,321,800.80x = 15,724,970,495,655.36
  5. Step 5: Solve for x
    x = 15,724,970,495,655.36/3,321,800.80
  6. Step 6: Final answer
    x = 4,733,869.20

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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.