Home / 3,900,761.82-5,851,702.44-1,205,322.40

Finding the Fourth Proportional to 3,900,761.82, 5,851,702.44 and 1,205,322.40

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Solution

The fourth proportional to 3,900,761.82, 5,851,702.44 and 1,205,322.40 is: 1,808,156.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,900,761.82 : 5,851,702.44 = 1,205,322.40 : x
  2. Step 2: Convert to fraction form
    3,900,761.82/5,851,702.44 = 1,205,322.40/x
  3. Step 3: Cross multiply
    3,900,761.82x = 5,851,702.44 × 1,205,322.40
  4. Step 4: Simplify right side
    3,900,761.82x = 7,053,188,029,066.66
  5. Step 5: Solve for x
    x = 7,053,188,029,066.66/3,900,761.82
  6. Step 6: Final answer
    x = 1,808,156.55

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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.