Home / 4,818,908.49-6,650,103.81-2,643,469.21

Finding the Fourth Proportional to 4,818,908.49, 6,650,103.81 and 2,643,469.21

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Solution

The fourth proportional to 4,818,908.49, 6,650,103.81 and 2,643,469.21 is: 3,647,993.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,818,908.49 : 6,650,103.81 = 2,643,469.21 : x
  2. Step 2: Convert to fraction form
    4,818,908.49/6,650,103.81 = 2,643,469.21/x
  3. Step 3: Cross multiply
    4,818,908.49x = 6,650,103.81 × 2,643,469.21
  4. Step 4: Simplify right side
    4,818,908.49x = 17,579,344,665,038.69
  5. Step 5: Solve for x
    x = 17,579,344,665,038.69/4,818,908.49
  6. Step 6: Final answer
    x = 3,647,993.05

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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.