Home / 6,419,797.80-8,858,374.84-3,903,889.06

Finding the Fourth Proportional to 6,419,797.80, 8,858,374.84 and 3,903,889.06

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Solution

The fourth proportional to 6,419,797.80, 8,858,374.84 and 3,903,889.06 is: 5,386,791.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,419,797.80 : 8,858,374.84 = 3,903,889.06 : x
  2. Step 2: Convert to fraction form
    6,419,797.80/8,858,374.84 = 3,903,889.06/x
  3. Step 3: Cross multiply
    6,419,797.80x = 8,858,374.84 × 3,903,889.06
  4. Step 4: Simplify right side
    6,419,797.80x = 34,582,112,643,208.08
  5. Step 5: Solve for x
    x = 34,582,112,643,208.08/6,419,797.80
  6. Step 6: Final answer
    x = 5,386,791.57

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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.