Home / 2,126,175.13-2,934,170.09-1,208,259.64

Finding the Fourth Proportional to 2,126,175.13, 2,934,170.09 and 1,208,259.64

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Solution

The fourth proportional to 2,126,175.13, 2,934,170.09 and 1,208,259.64 is: 1,667,425.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,175.13 : 2,934,170.09 = 1,208,259.64 : x
  2. Step 2: Convert to fraction form
    2,126,175.13/2,934,170.09 = 1,208,259.64/x
  3. Step 3: Cross multiply
    2,126,175.13x = 2,934,170.09 × 1,208,259.64
  4. Step 4: Simplify right side
    2,126,175.13x = 3,545,239,296,642.17
  5. Step 5: Solve for x
    x = 3,545,239,296,642.17/2,126,175.13
  6. Step 6: Final answer
    x = 1,667,425.81

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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.