Home / 3,608,942.28-4,980,464.31-1,977,344.70

Finding the Fourth Proportional to 3,608,942.28, 4,980,464.31 and 1,977,344.70

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Solution

The fourth proportional to 3,608,942.28, 4,980,464.31 and 1,977,344.70 is: 2,728,803.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608,942.28 : 4,980,464.31 = 1,977,344.70 : x
  2. Step 2: Convert to fraction form
    3,608,942.28/4,980,464.31 = 1,977,344.70/x
  3. Step 3: Cross multiply
    3,608,942.28x = 4,980,464.31 × 1,977,344.70
  4. Step 4: Simplify right side
    3,608,942.28x = 9,848,094,682,015.34
  5. Step 5: Solve for x
    x = 9,848,094,682,015.34/3,608,942.28
  6. Step 6: Final answer
    x = 2,728,803.60

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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.