Home / 2,116,989.22-2,921,504.89-1,199,218.08

Finding the Fourth Proportional to 2,116,989.22, 2,921,504.89 and 1,199,218.08

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Solution

The fourth proportional to 2,116,989.22, 2,921,504.89 and 1,199,218.08 is: 1,654,954.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,989.22 : 2,921,504.89 = 1,199,218.08 : x
  2. Step 2: Convert to fraction form
    2,116,989.22/2,921,504.89 = 1,199,218.08/x
  3. Step 3: Cross multiply
    2,116,989.22x = 2,921,504.89 × 1,199,218.08
  4. Step 4: Simplify right side
    2,116,989.22x = 3,503,521,484,896.41
  5. Step 5: Solve for x
    x = 3,503,521,484,896.41/2,116,989.22
  6. Step 6: Final answer
    x = 1,654,954.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.