Home / 3,161,906.82-4,742,319.96-1,139,748.30

Finding the Fourth Proportional to 3,161,906.82, 4,742,319.96 and 1,139,748.30

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Solution

The fourth proportional to 3,161,906.82, 4,742,319.96 and 1,139,748.30 is: 1,709,427.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161,906.82 : 4,742,319.96 = 1,139,748.30 : x
  2. Step 2: Convert to fraction form
    3,161,906.82/4,742,319.96 = 1,139,748.30/x
  3. Step 3: Cross multiply
    3,161,906.82x = 4,742,319.96 × 1,139,748.30
  4. Step 4: Simplify right side
    3,161,906.82x = 5,405,051,112,466.07
  5. Step 5: Solve for x
    x = 5,405,051,112,466.07/3,161,906.82
  6. Step 6: Final answer
    x = 1,709,427.70

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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.