Home / 2,007,149.18-2,769,868.47-1,089,378.23

Finding the Fourth Proportional to 2,007,149.18, 2,769,868.47 and 1,089,378.23

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Solution

The fourth proportional to 2,007,149.18, 2,769,868.47 and 1,089,378.23 is: 1,503,343.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,007,149.18 : 2,769,868.47 = 1,089,378.23 : x
  2. Step 2: Convert to fraction form
    2,007,149.18/2,769,868.47 = 1,089,378.23/x
  3. Step 3: Cross multiply
    2,007,149.18x = 2,769,868.47 × 1,089,378.23
  4. Step 4: Simplify right side
    2,007,149.18x = 3,017,434,397,332.07
  5. Step 5: Solve for x
    x = 3,017,434,397,332.07/2,007,149.18
  6. Step 6: Final answer
    x = 1,503,343.36

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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.