Home / 2,085,814.80-3,126,564.97-1,185,317.55

Finding the Fourth Proportional to 2,085,814.80, 3,126,564.97 and 1,185,317.55

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Solution

The fourth proportional to 2,085,814.80, 3,126,564.97 and 1,185,317.55 is: 1,776,750.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,814.80 : 3,126,564.97 = 1,185,317.55 : x
  2. Step 2: Convert to fraction form
    2,085,814.80/3,126,564.97 = 1,185,317.55/x
  3. Step 3: Cross multiply
    2,085,814.80x = 3,126,564.97 × 1,185,317.55
  4. Step 4: Simplify right side
    2,085,814.80x = 3,705,972,327,192.93
  5. Step 5: Solve for x
    x = 3,705,972,327,192.93/2,085,814.80
  6. Step 6: Final answer
    x = 1,776,750.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.