Home / 4,202,140.60-6,289,214.10-3,698,255.80

Finding the Fourth Proportional to 4,202,140.60, 6,289,214.10 and 3,698,255.80

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Solution

The fourth proportional to 4,202,140.60, 6,289,214.10 and 3,698,255.80 is: 5,535,065.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,202,140.60 : 6,289,214.10 = 3,698,255.80 : x
  2. Step 2: Convert to fraction form
    4,202,140.60/6,289,214.10 = 3,698,255.80/x
  3. Step 3: Cross multiply
    4,202,140.60x = 6,289,214.10 × 3,698,255.80
  4. Step 4: Simplify right side
    4,202,140.60x = 23,259,122,522,766.78
  5. Step 5: Solve for x
    x = 23,259,122,522,766.78/4,202,140.60
  6. Step 6: Final answer
    x = 5,535,065.28

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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.