Home / 3,161,477.82-4,742,427.87-1,111,892.43

Finding the Fourth Proportional to 3,161,477.82, 4,742,427.87 and 1,111,892.43

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Solution

The fourth proportional to 3,161,477.82, 4,742,427.87 and 1,111,892.43 is: 1,667,912.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161,477.82 : 4,742,427.87 = 1,111,892.43 : x
  2. Step 2: Convert to fraction form
    3,161,477.82/4,742,427.87 = 1,111,892.43/x
  3. Step 3: Cross multiply
    3,161,477.82x = 4,742,427.87 × 1,111,892.43
  4. Step 4: Simplify right side
    3,161,477.82x = 5,273,069,648,474.02
  5. Step 5: Solve for x
    x = 5,273,069,648,474.02/3,161,477.82
  6. Step 6: Final answer
    x = 1,667,912.90

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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.