Home / 2,171,698.51-2,996,942.77-1,191,643.97

Finding the Fourth Proportional to 2,171,698.51, 2,996,942.77 and 1,191,643.97

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Solution

The fourth proportional to 2,171,698.51, 2,996,942.77 and 1,191,643.97 is: 1,644,468.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,698.51 : 2,996,942.77 = 1,191,643.97 : x
  2. Step 2: Convert to fraction form
    2,171,698.51/2,996,942.77 = 1,191,643.97/x
  3. Step 3: Cross multiply
    2,171,698.51x = 2,996,942.77 × 1,191,643.97
  4. Step 4: Simplify right side
    2,171,698.51x = 3,571,288,767,673.24
  5. Step 5: Solve for x
    x = 3,571,288,767,673.24/2,171,698.51
  6. Step 6: Final answer
    x = 1,644,468.03

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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.