Home / 3,918,668.83-5,869,054.09-1,870,769.93

Finding the Fourth Proportional to 3,918,668.83, 5,869,054.09 and 1,870,769.93

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Solution

The fourth proportional to 3,918,668.83, 5,869,054.09 and 1,870,769.93 is: 2,801,882.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918,668.83 : 5,869,054.09 = 1,870,769.93 : x
  2. Step 2: Convert to fraction form
    3,918,668.83/5,869,054.09 = 1,870,769.93/x
  3. Step 3: Cross multiply
    3,918,668.83x = 5,869,054.09 × 1,870,769.93
  4. Step 4: Simplify right side
    3,918,668.83x = 10,979,649,909,115.51
  5. Step 5: Solve for x
    x = 10,979,649,909,115.51/3,918,668.83
  6. Step 6: Final answer
    x = 2,801,882.57

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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.