Home / 6,642,786.60-9,964,179.90-5,802,978.60

Finding the Fourth Proportional to 6,642,786.60, 9,964,179.90 and 5,802,978.60

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Solution

The fourth proportional to 6,642,786.60, 9,964,179.90 and 5,802,978.60 is: 8,704,467.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642,786.60 : 9,964,179.90 = 5,802,978.60 : x
  2. Step 2: Convert to fraction form
    6,642,786.60/9,964,179.90 = 5,802,978.60/x
  3. Step 3: Cross multiply
    6,642,786.60x = 9,964,179.90 × 5,802,978.60
  4. Step 4: Simplify right side
    6,642,786.60x = 57,821,922,726,250.14
  5. Step 5: Solve for x
    x = 57,821,922,726,250.14/6,642,786.60
  6. Step 6: Final answer
    x = 8,704,467.90

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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.