Home / 1,945,952.69-2,918,939.47-1,276,274.73

Finding the Fourth Proportional to 1,945,952.69, 2,918,939.47 and 1,276,274.73

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Solution

The fourth proportional to 1,945,952.69, 2,918,939.47 and 1,276,274.73 is: 1,914,418.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945,952.69 : 2,918,939.47 = 1,276,274.73 : x
  2. Step 2: Convert to fraction form
    1,945,952.69/2,918,939.47 = 1,276,274.73/x
  3. Step 3: Cross multiply
    1,945,952.69x = 2,918,939.47 × 1,276,274.73
  4. Step 4: Simplify right side
    1,945,952.69x = 3,725,368,680,769.91
  5. Step 5: Solve for x
    x = 3,725,368,680,769.91/1,945,952.69
  6. Step 6: Final answer
    x = 1,914,418.93

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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.