Home / 2,215,021.85-3,056,731.97-1,196,426.60

Finding the Fourth Proportional to 2,215,021.85, 3,056,731.97 and 1,196,426.60

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Solution

The fourth proportional to 2,215,021.85, 3,056,731.97 and 1,196,426.60 is: 1,651,069.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215,021.85 : 3,056,731.97 = 1,196,426.60 : x
  2. Step 2: Convert to fraction form
    2,215,021.85/3,056,731.97 = 1,196,426.60/x
  3. Step 3: Cross multiply
    2,215,021.85x = 3,056,731.97 × 1,196,426.60
  4. Step 4: Simplify right side
    2,215,021.85x = 3,657,155,416,712.61
  5. Step 5: Solve for x
    x = 3,657,155,416,712.61/2,215,021.85
  6. Step 6: Final answer
    x = 1,651,069.68

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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.