Home / 2,196,879.97-3,292,994.85-999,643.04

Finding the Fourth Proportional to 2,196,879.97, 3,292,994.85 and 999,643.04

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Solution

The fourth proportional to 2,196,879.97, 3,292,994.85 and 999,643.04 is: 1,498,406.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,196,879.97 : 3,292,994.85 = 999,643.04 : x
  2. Step 2: Convert to fraction form
    2,196,879.97/3,292,994.85 = 999,643.04/x
  3. Step 3: Cross multiply
    2,196,879.97x = 3,292,994.85 × 999,643.04
  4. Step 4: Simplify right side
    2,196,879.97x = 3,291,819,382,558.34
  5. Step 5: Solve for x
    x = 3,291,819,382,558.34/2,196,879.97
  6. Step 6: Final answer
    x = 1,498,406.57

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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.