Home / 6,945,779.31-9,585,175.45-3,889,993.56

Finding the Fourth Proportional to 6,945,779.31, 9,585,175.45 and 3,889,993.56

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Solution

The fourth proportional to 6,945,779.31, 9,585,175.45 and 3,889,993.56 is: 5,368,191.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,945,779.31 : 9,585,175.45 = 3,889,993.56 : x
  2. Step 2: Convert to fraction form
    6,945,779.31/9,585,175.45 = 3,889,993.56/x
  3. Step 3: Cross multiply
    6,945,779.31x = 9,585,175.45 × 3,889,993.56
  4. Step 4: Simplify right side
    6,945,779.31x = 37,286,270,771,970.10
  5. Step 5: Solve for x
    x = 37,286,270,771,970.10/6,945,779.31
  6. Step 6: Final answer
    x = 5,368,191.11

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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.