Home / 3,720,855.80-5,581,283.70-2,650,100.60

Finding the Fourth Proportional to 3,720,855.80, 5,581,283.70 and 2,650,100.60

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Solution

The fourth proportional to 3,720,855.80, 5,581,283.70 and 2,650,100.60 is: 3,975,150.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720,855.80 : 5,581,283.70 = 2,650,100.60 : x
  2. Step 2: Convert to fraction form
    3,720,855.80/5,581,283.70 = 2,650,100.60/x
  3. Step 3: Cross multiply
    3,720,855.80x = 5,581,283.70 × 2,650,100.60
  4. Step 4: Simplify right side
    3,720,855.80x = 14,790,963,282,140.22
  5. Step 5: Solve for x
    x = 14,790,963,282,140.22/3,720,855.80
  6. Step 6: Final answer
    x = 3,975,150.90

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Similar ratio
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1.5x scale

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.