Home / 5,120,138.68-7,066,005.93-2,944,683.30

Finding the Fourth Proportional to 5,120,138.68, 7,066,005.93 and 2,944,683.30

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Solution

The fourth proportional to 5,120,138.68, 7,066,005.93 and 2,944,683.30 is: 4,063,786.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,120,138.68 : 7,066,005.93 = 2,944,683.30 : x
  2. Step 2: Convert to fraction form
    5,120,138.68/7,066,005.93 = 2,944,683.30/x
  3. Step 3: Cross multiply
    5,120,138.68x = 7,066,005.93 × 2,944,683.30
  4. Step 4: Simplify right side
    5,120,138.68x = 20,807,149,659,771.97
  5. Step 5: Solve for x
    x = 20,807,149,659,771.97/5,120,138.68
  6. Step 6: Final answer
    x = 4,063,786.35

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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.