Home / 2,215,138.41-3,056,892.35-1,196,543.61

Finding the Fourth Proportional to 2,215,138.41, 3,056,892.35 and 1,196,543.61

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Solution

The fourth proportional to 2,215,138.41, 3,056,892.35 and 1,196,543.61 is: 1,651,230.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215,138.41 : 3,056,892.35 = 1,196,543.61 : x
  2. Step 2: Convert to fraction form
    2,215,138.41/3,056,892.35 = 1,196,543.61/x
  3. Step 3: Cross multiply
    2,215,138.41x = 3,056,892.35 × 1,196,543.61
  4. Step 4: Simplify right side
    2,215,138.41x = 3,657,705,001,867.67
  5. Step 5: Solve for x
    x = 3,657,705,001,867.67/2,215,138.41
  6. Step 6: Final answer
    x = 1,651,230.91

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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.