Home / 5,310,883.19-7,936,091.10-3,987,716.40

Finding the Fourth Proportional to 5,310,883.19, 7,936,091.10 and 3,987,716.40

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Solution

The fourth proportional to 5,310,883.19, 7,936,091.10 and 3,987,716.40 is: 5,958,873.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310,883.19 : 7,936,091.10 = 3,987,716.40 : x
  2. Step 2: Convert to fraction form
    5,310,883.19/7,936,091.10 = 3,987,716.40/x
  3. Step 3: Cross multiply
    5,310,883.19x = 7,936,091.10 × 3,987,716.40
  4. Step 4: Simplify right side
    5,310,883.19x = 31,646,880,631,364.04
  5. Step 5: Solve for x
    x = 31,646,880,631,364.04/5,310,883.19
  6. Step 6: Final answer
    x = 5,958,873.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.