Home / 5,390,622.40-8,085,933.60-2,198,039.80

Finding the Fourth Proportional to 5,390,622.40, 8,085,933.60 and 2,198,039.80

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Solution

The fourth proportional to 5,390,622.40, 8,085,933.60 and 2,198,039.80 is: 3,297,059.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,622.40 : 8,085,933.60 = 2,198,039.80 : x
  2. Step 2: Convert to fraction form
    5,390,622.40/8,085,933.60 = 2,198,039.80/x
  3. Step 3: Cross multiply
    5,390,622.40x = 8,085,933.60 × 2,198,039.80
  4. Step 4: Simplify right side
    5,390,622.40x = 17,773,203,872,957.28
  5. Step 5: Solve for x
    x = 17,773,203,872,957.28/5,390,622.40
  6. Step 6: Final answer
    x = 3,297,059.70

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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.