Home / 2,087,641.60-2,881,016.33-1,991,982.22

Finding the Fourth Proportional to 2,087,641.60, 2,881,016.33 and 1,991,982.22

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Solution

The fourth proportional to 2,087,641.60, 2,881,016.33 and 1,991,982.22 is: 2,749,003.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,641.60 : 2,881,016.33 = 1,991,982.22 : x
  2. Step 2: Convert to fraction form
    2,087,641.60/2,881,016.33 = 1,991,982.22/x
  3. Step 3: Cross multiply
    2,087,641.60x = 2,881,016.33 × 1,991,982.22
  4. Step 4: Simplify right side
    2,087,641.60x = 5,738,933,309,535.37
  5. Step 5: Solve for x
    x = 5,738,933,309,535.37/2,087,641.60
  6. Step 6: Final answer
    x = 2,749,003.13

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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.