Home / 2,191,372.81-3,284,616.70-911,263.39

Finding the Fourth Proportional to 2,191,372.81, 3,284,616.70 and 911,263.39

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Solution

The fourth proportional to 2,191,372.81, 3,284,616.70 and 911,263.39 is: 1,365,879.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,372.81 : 3,284,616.70 = 911,263.39 : x
  2. Step 2: Convert to fraction form
    2,191,372.81/3,284,616.70 = 911,263.39/x
  3. Step 3: Cross multiply
    2,191,372.81x = 3,284,616.70 × 911,263.39
  4. Step 4: Simplify right side
    2,191,372.81x = 2,993,150,948,892.61
  5. Step 5: Solve for x
    x = 2,993,150,948,892.61/2,191,372.81
  6. Step 6: Final answer
    x = 1,365,879.39

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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.