Home / 2,761,016.80-4,139,062.80-1,077,728.80

Finding the Fourth Proportional to 2,761,016.80, 4,139,062.80 and 1,077,728.80

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Solution

The fourth proportional to 2,761,016.80, 4,139,062.80 and 1,077,728.80 is: 1,615,632.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761,016.80 : 4,139,062.80 = 1,077,728.80 : x
  2. Step 2: Convert to fraction form
    2,761,016.80/4,139,062.80 = 1,077,728.80/x
  3. Step 3: Cross multiply
    2,761,016.80x = 4,139,062.80 × 1,077,728.80
  4. Step 4: Simplify right side
    2,761,016.80x = 4,460,787,184,568.64
  5. Step 5: Solve for x
    x = 4,460,787,184,568.64/2,761,016.80
  6. Step 6: Final answer
    x = 1,615,632.03

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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.