Home / 5,131,880.88-7,082,217.90-2,840,042.31

Finding the Fourth Proportional to 5,131,880.88, 7,082,217.90 and 2,840,042.31

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Solution

The fourth proportional to 5,131,880.88, 7,082,217.90 and 2,840,042.31 is: 3,919,381.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,131,880.88 : 7,082,217.90 = 2,840,042.31 : x
  2. Step 2: Convert to fraction form
    5,131,880.88/7,082,217.90 = 2,840,042.31/x
  3. Step 3: Cross multiply
    5,131,880.88x = 7,082,217.90 × 2,840,042.31
  4. Step 4: Simplify right side
    5,131,880.88x = 20,113,798,484,639.35
  5. Step 5: Solve for x
    x = 20,113,798,484,639.35/5,131,880.88
  6. Step 6: Final answer
    x = 3,919,381.40

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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.