Home / 6,145,749.62-8,481,136.12-3,392,438.72

Finding the Fourth Proportional to 6,145,749.62, 8,481,136.12 and 3,392,438.72

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Solution

The fourth proportional to 6,145,749.62, 8,481,136.12 and 3,392,438.72 is: 4,681,566.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145,749.62 : 8,481,136.12 = 3,392,438.72 : x
  2. Step 2: Convert to fraction form
    6,145,749.62/8,481,136.12 = 3,392,438.72/x
  3. Step 3: Cross multiply
    6,145,749.62x = 8,481,136.12 × 3,392,438.72
  4. Step 4: Simplify right side
    6,145,749.62x = 28,771,734,563,078.57
  5. Step 5: Solve for x
    x = 28,771,734,563,078.57/6,145,749.62
  6. Step 6: Final answer
    x = 4,681,566.35

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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.