Home / 3,889,768.80-5,832,028.80-2,068,435.20

Finding the Fourth Proportional to 3,889,768.80, 5,832,028.80 and 2,068,435.20

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Solution

The fourth proportional to 3,889,768.80, 5,832,028.80 and 2,068,435.20 is: 3,101,257.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889,768.80 : 5,832,028.80 = 2,068,435.20 : x
  2. Step 2: Convert to fraction form
    3,889,768.80/5,832,028.80 = 2,068,435.20/x
  3. Step 3: Cross multiply
    3,889,768.80x = 5,832,028.80 × 2,068,435.20
  4. Step 4: Simplify right side
    3,889,768.80x = 12,063,173,657,333.76
  5. Step 5: Solve for x
    x = 12,063,173,657,333.76/3,889,768.80
  6. Step 6: Final answer
    x = 3,101,257.24

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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.