Home / 2,128,099.59-2,936,769.40-1,161,221.41

Finding the Fourth Proportional to 2,128,099.59, 2,936,769.40 and 1,161,221.41

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Solution

The fourth proportional to 2,128,099.59, 2,936,769.40 and 1,161,221.41 is: 1,602,481.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,099.59 : 2,936,769.40 = 1,161,221.41 : x
  2. Step 2: Convert to fraction form
    2,128,099.59/2,936,769.40 = 1,161,221.41/x
  3. Step 3: Cross multiply
    2,128,099.59x = 2,936,769.40 × 1,161,221.41
  4. Step 4: Simplify right side
    2,128,099.59x = 3,410,239,503,512.85
  5. Step 5: Solve for x
    x = 3,410,239,503,512.85/2,128,099.59
  6. Step 6: Final answer
    x = 1,602,481.16

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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.