Home / 5,200,463.70-7,800,695.55-3,940,751.70

Finding the Fourth Proportional to 5,200,463.70, 7,800,695.55 and 3,940,751.70

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Solution

The fourth proportional to 5,200,463.70, 7,800,695.55 and 3,940,751.70 is: 5,911,127.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200,463.70 : 7,800,695.55 = 3,940,751.70 : x
  2. Step 2: Convert to fraction form
    5,200,463.70/7,800,695.55 = 3,940,751.70/x
  3. Step 3: Cross multiply
    5,200,463.70x = 7,800,695.55 × 3,940,751.70
  4. Step 4: Simplify right side
    5,200,463.70x = 30,740,604,249,844.94
  5. Step 5: Solve for x
    x = 30,740,604,249,844.94/5,200,463.70
  6. Step 6: Final answer
    x = 5,911,127.55

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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.