Home / 2,115,609.72-3,173,516.64-695,634.36

Finding the Fourth Proportional to 2,115,609.72, 3,173,516.64 and 695,634.36

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Solution

The fourth proportional to 2,115,609.72, 3,173,516.64 and 695,634.36 is: 1,043,485.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,609.72 : 3,173,516.64 = 695,634.36 : x
  2. Step 2: Convert to fraction form
    2,115,609.72/3,173,516.64 = 695,634.36/x
  3. Step 3: Cross multiply
    2,115,609.72x = 3,173,516.64 × 695,634.36
  4. Step 4: Simplify right side
    2,115,609.72x = 2,207,607,216,815.75
  5. Step 5: Solve for x
    x = 2,207,607,216,815.75/2,115,609.72
  6. Step 6: Final answer
    x = 1,043,485.10

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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.