Home / 1,939,364.71-2,909,046.99-914,456.43

Finding the Fourth Proportional to 1,939,364.71, 2,909,046.99 and 914,456.43

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Solution

The fourth proportional to 1,939,364.71, 2,909,046.99 and 914,456.43 is: 1,371,684.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,364.71 : 2,909,046.99 = 914,456.43 : x
  2. Step 2: Convert to fraction form
    1,939,364.71/2,909,046.99 = 914,456.43/x
  3. Step 3: Cross multiply
    1,939,364.71x = 2,909,046.99 × 914,456.43
  4. Step 4: Simplify right side
    1,939,364.71x = 2,660,196,725,177.65
  5. Step 5: Solve for x
    x = 2,660,196,725,177.65/1,939,364.71
  6. Step 6: Final answer
    x = 1,371,684.61

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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.