Home / 1,521,917.61-2,100,241.71-859,556.91

Finding the Fourth Proportional to 1,521,917.61, 2,100,241.71 and 859,556.91

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Solution

The fourth proportional to 1,521,917.61, 2,100,241.71 and 859,556.91 is: 1,186,185.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,917.61 : 2,100,241.71 = 859,556.91 : x
  2. Step 2: Convert to fraction form
    1,521,917.61/2,100,241.71 = 859,556.91/x
  3. Step 3: Cross multiply
    1,521,917.61x = 2,100,241.71 × 859,556.91
  4. Step 4: Simplify right side
    1,521,917.61x = 1,805,277,282,376.62
  5. Step 5: Solve for x
    x = 1,805,277,282,376.62/1,521,917.61
  6. Step 6: Final answer
    x = 1,186,185.95

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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.