Home / 1,999,298.90-2,992,729.07-1,086,198.15

Finding the Fourth Proportional to 1,999,298.90, 2,992,729.07 and 1,086,198.15

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Solution

The fourth proportional to 1,999,298.90, 2,992,729.07 and 1,086,198.15 is: 1,625,918.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,298.90 : 2,992,729.07 = 1,086,198.15 : x
  2. Step 2: Convert to fraction form
    1,999,298.90/2,992,729.07 = 1,086,198.15/x
  3. Step 3: Cross multiply
    1,999,298.90x = 2,992,729.07 × 1,086,198.15
  4. Step 4: Simplify right side
    1,999,298.90x = 3,250,696,793,223.45
  5. Step 5: Solve for x
    x = 3,250,696,793,223.45/1,999,298.90
  6. Step 6: Final answer
    x = 1,625,918.36

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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.