Home / 5,131,880.51-7,082,217.38-2,840,041.94

Finding the Fourth Proportional to 5,131,880.51, 7,082,217.38 and 2,840,041.94

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Solution

The fourth proportional to 5,131,880.51, 7,082,217.38 and 2,840,041.94 is: 3,919,380.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,131,880.51 : 7,082,217.38 = 2,840,041.94 : x
  2. Step 2: Convert to fraction form
    5,131,880.51/7,082,217.38 = 2,840,041.94/x
  3. Step 3: Cross multiply
    5,131,880.51x = 7,082,217.38 × 2,840,041.94
  4. Step 4: Simplify right side
    5,131,880.51x = 20,113,794,359,085.94
  5. Step 5: Solve for x
    x = 20,113,794,359,085.94/5,131,880.51
  6. Step 6: Final answer
    x = 3,919,380.89

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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.