Home / 2,978,317.95-4,468,736.88-1,628,905.20

Finding the Fourth Proportional to 2,978,317.95, 4,468,736.88 and 1,628,905.20

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Solution

The fourth proportional to 2,978,317.95, 4,468,736.88 and 1,628,905.20 is: 2,444,046.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,978,317.95 : 4,468,736.88 = 1,628,905.20 : x
  2. Step 2: Convert to fraction form
    2,978,317.95/4,468,736.88 = 1,628,905.20/x
  3. Step 3: Cross multiply
    2,978,317.95x = 4,468,736.88 × 1,628,905.20
  4. Step 4: Simplify right side
    2,978,317.95x = 7,279,148,741,263.78
  5. Step 5: Solve for x
    x = 7,279,148,741,263.78/2,978,317.95
  6. Step 6: Final answer
    x = 2,444,046.90

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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.