Home / 1,995,273-2,753,544.78-1,089,913.32

Finding the Fourth Proportional to 1,995,273, 2,753,544.78 and 1,089,913.32

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Solution

The fourth proportional to 1,995,273, 2,753,544.78 and 1,089,913.32 is: 1,504,117.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,273 : 2,753,544.78 = 1,089,913.32 : x
  2. Step 2: Convert to fraction form
    1,995,273/2,753,544.78 = 1,089,913.32/x
  3. Step 3: Cross multiply
    1,995,273x = 2,753,544.78 × 1,089,913.32
  4. Step 4: Simplify right side
    1,995,273x = 3,001,125,132,938.47
  5. Step 5: Solve for x
    x = 3,001,125,132,938.47/1,995,273
  6. Step 6: Final answer
    x = 1,504,117.55

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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.