Home / 3,878,712.95-5,818,069.30-1,828,896.36

Finding the Fourth Proportional to 3,878,712.95, 5,818,069.30 and 1,828,896.36

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Solution

The fourth proportional to 3,878,712.95, 5,818,069.30 and 1,828,896.36 is: 2,743,344.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,878,712.95 : 5,818,069.30 = 1,828,896.36 : x
  2. Step 2: Convert to fraction form
    3,878,712.95/5,818,069.30 = 1,828,896.36/x
  3. Step 3: Cross multiply
    3,878,712.95x = 5,818,069.30 × 1,828,896.36
  4. Step 4: Simplify right side
    3,878,712.95x = 10,640,645,764,997.75
  5. Step 5: Solve for x
    x = 10,640,645,764,997.75/3,878,712.95
  6. Step 6: Final answer
    x = 2,743,344.48

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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.