Home / 4,167,405.40-6,241,776.90-3,420,909.40

Finding the Fourth Proportional to 4,167,405.40, 6,241,776.90 and 3,420,909.40

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Solution

The fourth proportional to 4,167,405.40, 6,241,776.90 and 3,420,909.40 is: 5,123,704.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,167,405.40 : 6,241,776.90 = 3,420,909.40 : x
  2. Step 2: Convert to fraction form
    4,167,405.40/6,241,776.90 = 3,420,909.40/x
  3. Step 3: Cross multiply
    4,167,405.40x = 6,241,776.90 × 3,420,909.40
  4. Step 4: Simplify right side
    4,167,405.40x = 21,352,553,269,912.86
  5. Step 5: Solve for x
    x = 21,352,553,269,912.86/4,167,405.40
  6. Step 6: Final answer
    x = 5,123,704.37

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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.