Home / 3,889,734.21-5,835,517.79-1,330,977.02

Finding the Fourth Proportional to 3,889,734.21, 5,835,517.79 and 1,330,977.02

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Solution

The fourth proportional to 3,889,734.21, 5,835,517.79 and 1,330,977.02 is: 1,996,779.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889,734.21 : 5,835,517.79 = 1,330,977.02 : x
  2. Step 2: Convert to fraction form
    3,889,734.21/5,835,517.79 = 1,330,977.02/x
  3. Step 3: Cross multiply
    3,889,734.21x = 5,835,517.79 × 1,330,977.02
  4. Step 4: Simplify right side
    3,889,734.21x = 7,766,940,042,458.71
  5. Step 5: Solve for x
    x = 7,766,940,042,458.71/3,889,734.21
  6. Step 6: Final answer
    x = 1,996,779.12

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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.