Home / 2,660,915.56-3,991,316.64-863,796.12

Finding the Fourth Proportional to 2,660,915.56, 3,991,316.64 and 863,796.12

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Solution

The fourth proportional to 2,660,915.56, 3,991,316.64 and 863,796.12 is: 1,295,675.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660,915.56 : 3,991,316.64 = 863,796.12 : x
  2. Step 2: Convert to fraction form
    2,660,915.56/3,991,316.64 = 863,796.12/x
  3. Step 3: Cross multiply
    2,660,915.56x = 3,991,316.64 × 863,796.12
  4. Step 4: Simplify right side
    2,660,915.56x = 3,447,683,827,323.44
  5. Step 5: Solve for x
    x = 3,447,683,827,323.44/2,660,915.56
  6. Step 6: Final answer
    x = 1,295,675.77

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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.