Home / 3,820,813.60-5,272,766.40-2,189,188.12

Finding the Fourth Proportional to 3,820,813.60, 5,272,766.40 and 2,189,188.12

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Solution

The fourth proportional to 3,820,813.60, 5,272,766.40 and 2,189,188.12 is: 3,021,104.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820,813.60 : 5,272,766.40 = 2,189,188.12 : x
  2. Step 2: Convert to fraction form
    3,820,813.60/5,272,766.40 = 2,189,188.12/x
  3. Step 3: Cross multiply
    3,820,813.60x = 5,272,766.40 × 2,189,188.12
  4. Step 4: Simplify right side
    3,820,813.60x = 11,543,077,562,415.17
  5. Step 5: Solve for x
    x = 11,543,077,562,415.17/3,820,813.60
  6. Step 6: Final answer
    x = 3,021,104.61

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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.