Home / 2,196,879.22-3,292,993.73-999,642.29

Finding the Fourth Proportional to 2,196,879.22, 3,292,993.73 and 999,642.29

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Solution

The fourth proportional to 2,196,879.22, 3,292,993.73 and 999,642.29 is: 1,498,405.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,196,879.22 : 3,292,993.73 = 999,642.29 : x
  2. Step 2: Convert to fraction form
    2,196,879.22/3,292,993.73 = 999,642.29/x
  3. Step 3: Cross multiply
    2,196,879.22x = 3,292,993.73 × 999,642.29
  4. Step 4: Simplify right side
    2,196,879.22x = 3,291,815,784,980.36
  5. Step 5: Solve for x
    x = 3,291,815,784,980.36/2,196,879.22
  6. Step 6: Final answer
    x = 1,498,405.45

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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.