Home / 3,263,107.80-4,894,661.70-1,987,649.40

Finding the Fourth Proportional to 3,263,107.80, 4,894,661.70 and 1,987,649.40

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Solution

The fourth proportional to 3,263,107.80, 4,894,661.70 and 1,987,649.40 is: 2,981,474.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,263,107.80 : 4,894,661.70 = 1,987,649.40 : x
  2. Step 2: Convert to fraction form
    3,263,107.80/4,894,661.70 = 1,987,649.40/x
  3. Step 3: Cross multiply
    3,263,107.80x = 4,894,661.70 × 1,987,649.40
  4. Step 4: Simplify right side
    3,263,107.80x = 9,728,871,391,207.98
  5. Step 5: Solve for x
    x = 9,728,871,391,207.98/3,263,107.80
  6. Step 6: Final answer
    x = 2,981,474.10

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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.