Home / 3,865,919.67-5,334,981.56-2,147,040.13

Finding the Fourth Proportional to 3,865,919.67, 5,334,981.56 and 2,147,040.13

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Solution

The fourth proportional to 3,865,919.67, 5,334,981.56 and 2,147,040.13 is: 2,962,922.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865,919.67 : 5,334,981.56 = 2,147,040.13 : x
  2. Step 2: Convert to fraction form
    3,865,919.67/5,334,981.56 = 2,147,040.13/x
  3. Step 3: Cross multiply
    3,865,919.67x = 5,334,981.56 × 2,147,040.13
  4. Step 4: Simplify right side
    3,865,919.67x = 11,454,419,502,130.00
  5. Step 5: Solve for x
    x = 11,454,419,502,130.00/3,865,919.67
  6. Step 6: Final answer
    x = 2,962,922.27

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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.