Home / 3,486,859.11-4,811,954.49-1,916,971.70

Finding the Fourth Proportional to 3,486,859.11, 4,811,954.49 and 1,916,971.70

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Solution

The fourth proportional to 3,486,859.11, 4,811,954.49 and 1,916,971.70 is: 2,645,469.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486,859.11 : 4,811,954.49 = 1,916,971.70 : x
  2. Step 2: Convert to fraction form
    3,486,859.11/4,811,954.49 = 1,916,971.70/x
  3. Step 3: Cross multiply
    3,486,859.11x = 4,811,954.49 × 1,916,971.70
  4. Step 4: Simplify right side
    3,486,859.11x = 9,224,380,554,958.16
  5. Step 5: Solve for x
    x = 9,224,380,554,958.16/3,486,859.11
  6. Step 6: Final answer
    x = 2,645,469.82

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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.