Home / 2,007,147.32-2,769,865.90-1,089,376.36

Finding the Fourth Proportional to 2,007,147.32, 2,769,865.90 and 1,089,376.36

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Solution

The fourth proportional to 2,007,147.32, 2,769,865.90 and 1,089,376.36 is: 1,503,340.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,007,147.32 : 2,769,865.90 = 1,089,376.36 : x
  2. Step 2: Convert to fraction form
    2,007,147.32/2,769,865.90 = 1,089,376.36/x
  3. Step 3: Cross multiply
    2,007,147.32x = 2,769,865.90 × 1,089,376.36
  4. Step 4: Simplify right side
    2,007,147.32x = 3,017,426,431,830.12
  5. Step 5: Solve for x
    x = 3,017,426,431,830.12/2,007,147.32
  6. Step 6: Final answer
    x = 1,503,340.79

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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.