Home / 2,170,729.63-2,995,790.87-1,204,171.31

Finding the Fourth Proportional to 2,170,729.63, 2,995,790.87 and 1,204,171.31

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Solution

The fourth proportional to 2,170,729.63, 2,995,790.87 and 1,204,171.31 is: 1,661,858.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170,729.63 : 2,995,790.87 = 1,204,171.31 : x
  2. Step 2: Convert to fraction form
    2,170,729.63/2,995,790.87 = 1,204,171.31/x
  3. Step 3: Cross multiply
    2,170,729.63x = 2,995,790.87 × 1,204,171.31
  4. Step 4: Simplify right side
    2,170,729.63x = 3,607,445,426,913.85
  5. Step 5: Solve for x
    x = 3,607,445,426,913.85/2,170,729.63
  6. Step 6: Final answer
    x = 1,661,858.47

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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.