Home / 1,995,280.75-2,753,555.48-1,089,921.07

Finding the Fourth Proportional to 1,995,280.75, 2,753,555.48 and 1,089,921.07

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Solution

The fourth proportional to 1,995,280.75, 2,753,555.48 and 1,089,921.07 is: 1,504,128.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,280.75 : 2,753,555.48 = 1,089,921.07 : x
  2. Step 2: Convert to fraction form
    1,995,280.75/2,753,555.48 = 1,089,921.07/x
  3. Step 3: Cross multiply
    1,995,280.75x = 2,753,555.48 × 1,089,921.07
  4. Step 4: Simplify right side
    1,995,280.75x = 3,001,158,135,065.96
  5. Step 5: Solve for x
    x = 3,001,158,135,065.96/1,995,280.75
  6. Step 6: Final answer
    x = 1,504,128.25

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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.