Home / 6,439,022.78-8,883,913.68-3,859,762.46

Finding the Fourth Proportional to 6,439,022.78, 8,883,913.68 and 3,859,762.46

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Solution

The fourth proportional to 6,439,022.78, 8,883,913.68 and 3,859,762.46 is: 5,325,310.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439,022.78 : 8,883,913.68 = 3,859,762.46 : x
  2. Step 2: Convert to fraction form
    6,439,022.78/8,883,913.68 = 3,859,762.46/x
  3. Step 3: Cross multiply
    6,439,022.78x = 8,883,913.68 × 3,859,762.46
  4. Step 4: Simplify right side
    6,439,022.78x = 34,289,796,475,524.88
  5. Step 5: Solve for x
    x = 34,289,796,475,524.88/6,439,022.78
  6. Step 6: Final answer
    x = 5,325,310.64

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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.