Home / 3,918,668.33-5,869,053.34-1,870,769.43

Finding the Fourth Proportional to 3,918,668.33, 5,869,053.34 and 1,870,769.43

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Solution

The fourth proportional to 3,918,668.33, 5,869,053.34 and 1,870,769.43 is: 2,801,881.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918,668.33 : 5,869,053.34 = 1,870,769.43 : x
  2. Step 2: Convert to fraction form
    3,918,668.33/5,869,053.34 = 1,870,769.43/x
  3. Step 3: Cross multiply
    3,918,668.33x = 5,869,053.34 × 1,870,769.43
  4. Step 4: Simplify right side
    3,918,668.33x = 10,979,645,571,511.40
  5. Step 5: Solve for x
    x = 10,979,645,571,511.40/3,918,668.33
  6. Step 6: Final answer
    x = 2,801,881.82

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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.