Home / 2,191,371.06-3,284,614.08-911,261.64

Finding the Fourth Proportional to 2,191,371.06, 3,284,614.08 and 911,261.64

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Solution

The fourth proportional to 2,191,371.06, 3,284,614.08 and 911,261.64 is: 1,365,876.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,371.06 : 3,284,614.08 = 911,261.64 : x
  2. Step 2: Convert to fraction form
    2,191,371.06/3,284,614.08 = 911,261.64/x
  3. Step 3: Cross multiply
    2,191,371.06x = 3,284,614.08 × 911,261.64
  4. Step 4: Simplify right side
    2,191,371.06x = 2,993,142,813,307.89
  5. Step 5: Solve for x
    x = 2,993,142,813,307.89/2,191,371.06
  6. Step 6: Final answer
    x = 1,365,876.76

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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.