Home / 3,420,246.80-5,124,840.60-2,155,811.60

Finding the Fourth Proportional to 3,420,246.80, 5,124,840.60 and 2,155,811.60

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Solution

The fourth proportional to 3,420,246.80, 5,124,840.60 and 2,155,811.60 is: 3,230,232.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420,246.80 : 5,124,840.60 = 2,155,811.60 : x
  2. Step 2: Convert to fraction form
    3,420,246.80/5,124,840.60 = 2,155,811.60/x
  3. Step 3: Cross multiply
    3,420,246.80x = 5,124,840.60 × 2,155,811.60
  4. Step 4: Simplify right side
    3,420,246.80x = 11,048,190,813,630.96
  5. Step 5: Solve for x
    x = 11,048,190,813,630.96/3,420,246.80
  6. Step 6: Final answer
    x = 3,230,232.04

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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.