Home / 6,909,829.82-10,366,261.04-2,117,879.54

Finding the Fourth Proportional to 6,909,829.82, 10,366,261.04 and 2,117,879.54

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Solution

The fourth proportional to 6,909,829.82, 10,366,261.04 and 2,117,879.54 is: 3,177,284.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909,829.82 : 10,366,261.04 = 2,117,879.54 : x
  2. Step 2: Convert to fraction form
    6,909,829.82/10,366,261.04 = 2,117,879.54/x
  3. Step 3: Cross multiply
    6,909,829.82x = 10,366,261.04 × 2,117,879.54
  4. Step 4: Simplify right side
    6,909,829.82x = 21,954,492,162,915.12
  5. Step 5: Solve for x
    x = 21,954,492,162,915.12/6,909,829.82
  6. Step 6: Final answer
    x = 3,177,284.06

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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.