Home / 3,220,189.65-4,443,889.37-1,769,918.81

Finding the Fourth Proportional to 3,220,189.65, 4,443,889.37 and 1,769,918.81

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Solution

The fourth proportional to 3,220,189.65, 4,443,889.37 and 1,769,918.81 is: 2,442,503.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220,189.65 : 4,443,889.37 = 1,769,918.81 : x
  2. Step 2: Convert to fraction form
    3,220,189.65/4,443,889.37 = 1,769,918.81/x
  3. Step 3: Cross multiply
    3,220,189.65x = 4,443,889.37 × 1,769,918.81
  4. Step 4: Simplify right side
    3,220,189.65x = 7,865,323,354,453.01
  5. Step 5: Solve for x
    x = 7,865,323,354,453.01/3,220,189.65
  6. Step 6: Final answer
    x = 2,442,503.15

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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.