Home / 3,105,806.40-4,288,348.08-3,056,205.60

Finding the Fourth Proportional to 3,105,806.40, 4,288,348.08 and 3,056,205.60

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Solution

The fourth proportional to 3,105,806.40, 4,288,348.08 and 3,056,205.60 is: 4,219,861.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105,806.40 : 4,288,348.08 = 3,056,205.60 : x
  2. Step 2: Convert to fraction form
    3,105,806.40/4,288,348.08 = 3,056,205.60/x
  3. Step 3: Cross multiply
    3,105,806.40x = 4,288,348.08 × 3,056,205.60
  4. Step 4: Simplify right side
    3,105,806.40x = 13,106,073,416,845.25
  5. Step 5: Solve for x
    x = 13,106,073,416,845.25/3,105,806.40
  6. Step 6: Final answer
    x = 4,219,861.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.