Home / 2,207,109.92-3,308,879.10-690,012.32

Finding the Fourth Proportional to 2,207,109.92, 3,308,879.10 and 690,012.32

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Solution

The fourth proportional to 2,207,109.92, 3,308,879.10 and 690,012.32 is: 1,034,460.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207,109.92 : 3,308,879.10 = 690,012.32 : x
  2. Step 2: Convert to fraction form
    2,207,109.92/3,308,879.10 = 690,012.32/x
  3. Step 3: Cross multiply
    2,207,109.92x = 3,308,879.10 × 690,012.32
  4. Step 4: Simplify right side
    2,207,109.92x = 2,283,167,344,390.51
  5. Step 5: Solve for x
    x = 2,283,167,344,390.51/2,207,109.92
  6. Step 6: Final answer
    x = 1,034,460.19

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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.