Home / 5,142,755.88-7,097,067.78-2,967,750.36

Finding the Fourth Proportional to 5,142,755.88, 7,097,067.78 and 2,967,750.36

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Solution

The fourth proportional to 5,142,755.88, 7,097,067.78 and 2,967,750.36 is: 4,095,532.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,142,755.88 : 7,097,067.78 = 2,967,750.36 : x
  2. Step 2: Convert to fraction form
    5,142,755.88/7,097,067.78 = 2,967,750.36/x
  3. Step 3: Cross multiply
    5,142,755.88x = 7,097,067.78 × 2,967,750.36
  4. Step 4: Simplify right side
    5,142,755.88x = 21,062,325,459,039.40
  5. Step 5: Solve for x
    x = 21,062,325,459,039.40/5,142,755.88
  6. Step 6: Final answer
    x = 4,095,532.81

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1.5x scale

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.