Home / 6,439,779.44-9,659,570.76-1,647,428.24

Finding the Fourth Proportional to 6,439,779.44, 9,659,570.76 and 1,647,428.24

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Solution

The fourth proportional to 6,439,779.44, 9,659,570.76 and 1,647,428.24 is: 2,471,117.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439,779.44 : 9,659,570.76 = 1,647,428.24 : x
  2. Step 2: Convert to fraction form
    6,439,779.44/9,659,570.76 = 1,647,428.24/x
  3. Step 3: Cross multiply
    6,439,779.44x = 9,659,570.76 × 1,647,428.24
  4. Step 4: Simplify right side
    6,439,779.44x = 15,913,449,656,302.26
  5. Step 5: Solve for x
    x = 15,913,449,656,302.26/6,439,779.44
  6. Step 6: Final answer
    x = 2,471,117.19

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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.