Home / 3,161,909.82-4,742,324.46-1,139,751.30

Finding the Fourth Proportional to 3,161,909.82, 4,742,324.46 and 1,139,751.30

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Solution

The fourth proportional to 3,161,909.82, 4,742,324.46 and 1,139,751.30 is: 1,709,432.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161,909.82 : 4,742,324.46 = 1,139,751.30 : x
  2. Step 2: Convert to fraction form
    3,161,909.82/4,742,324.46 = 1,139,751.30/x
  3. Step 3: Cross multiply
    3,161,909.82x = 4,742,324.46 × 1,139,751.30
  4. Step 4: Simplify right side
    3,161,909.82x = 5,405,070,468,306.80
  5. Step 5: Solve for x
    x = 5,405,070,468,306.80/3,161,909.82
  6. Step 6: Final answer
    x = 1,709,432.20

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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.