Home / 2,802,829.20-4,201,619.40-2,195,280.60

Finding the Fourth Proportional to 2,802,829.20, 4,201,619.40 and 2,195,280.60

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Solution

The fourth proportional to 2,802,829.20, 4,201,619.40 and 2,195,280.60 is: 3,290,865.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802,829.20 : 4,201,619.40 = 2,195,280.60 : x
  2. Step 2: Convert to fraction form
    2,802,829.20/4,201,619.40 = 2,195,280.60/x
  3. Step 3: Cross multiply
    2,802,829.20x = 4,201,619.40 × 2,195,280.60
  4. Step 4: Simplify right side
    2,802,829.20x = 9,223,733,557,403.64
  5. Step 5: Solve for x
    x = 9,223,733,557,403.64/2,802,829.20
  6. Step 6: Final answer
    x = 3,290,865.37

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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.