Home / 5,200,463.45-7,800,695.18-3,940,751.45

Finding the Fourth Proportional to 5,200,463.45, 7,800,695.18 and 3,940,751.45

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Solution

The fourth proportional to 5,200,463.45, 7,800,695.18 and 3,940,751.45 is: 5,911,127.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200,463.45 : 7,800,695.18 = 3,940,751.45 : x
  2. Step 2: Convert to fraction form
    5,200,463.45/7,800,695.18 = 3,940,751.45/x
  3. Step 3: Cross multiply
    5,200,463.45x = 7,800,695.18 × 3,940,751.45
  4. Step 4: Simplify right side
    5,200,463.45x = 30,740,600,821,889.25
  5. Step 5: Solve for x
    x = 30,740,600,821,889.25/5,200,463.45
  6. Step 6: Final answer
    x = 5,911,127.18

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.