Home / 2,007,512.45-2,770,370.72-1,089,742.23

Finding the Fourth Proportional to 2,007,512.45, 2,770,370.72 and 1,089,742.23

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Solution

The fourth proportional to 2,007,512.45, 2,770,370.72 and 1,089,742.23 is: 1,503,846.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,007,512.45 : 2,770,370.72 = 1,089,742.23 : x
  2. Step 2: Convert to fraction form
    2,007,512.45/2,770,370.72 = 1,089,742.23/x
  3. Step 3: Cross multiply
    2,007,512.45x = 2,770,370.72 × 1,089,742.23
  4. Step 4: Simplify right side
    2,007,512.45x = 3,018,989,971,107.13
  5. Step 5: Solve for x
    x = 3,018,989,971,107.13/2,007,512.45
  6. Step 6: Final answer
    x = 1,503,846.20

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1.5x scale

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.