Home / 2,186,905.68-3,016,299.96-1,605,945.60

Finding the Fourth Proportional to 2,186,905.68, 3,016,299.96 and 1,605,945.60

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Solution

The fourth proportional to 2,186,905.68, 3,016,299.96 and 1,605,945.60 is: 2,215,008.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186,905.68 : 3,016,299.96 = 1,605,945.60 : x
  2. Step 2: Convert to fraction form
    2,186,905.68/3,016,299.96 = 1,605,945.60/x
  3. Step 3: Cross multiply
    2,186,905.68x = 3,016,299.96 × 1,605,945.60
  4. Step 4: Simplify right side
    2,186,905.68x = 4,844,013,649,042.18
  5. Step 5: Solve for x
    x = 4,844,013,649,042.18/2,186,905.68
  6. Step 6: Final answer
    x = 2,215,008.03

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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.