Home / 2,167,769.25-2,991,303.59-1,200,718.89

Finding the Fourth Proportional to 2,167,769.25, 2,991,303.59 and 1,200,718.89

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Solution

The fourth proportional to 2,167,769.25, 2,991,303.59 and 1,200,718.89 is: 1,656,871.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167,769.25 : 2,991,303.59 = 1,200,718.89 : x
  2. Step 2: Convert to fraction form
    2,167,769.25/2,991,303.59 = 1,200,718.89/x
  3. Step 3: Cross multiply
    2,167,769.25x = 2,991,303.59 × 1,200,718.89
  4. Step 4: Simplify right side
    2,167,769.25x = 3,591,714,720,234.22
  5. Step 5: Solve for x
    x = 3,591,714,720,234.22/2,167,769.25
  6. Step 6: Final answer
    x = 1,656,871.33

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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.