Home / 2,420,120.40-3,630,958.20-1,622,302.80

Finding the Fourth Proportional to 2,420,120.40, 3,630,958.20 and 1,622,302.80

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Solution

The fourth proportional to 2,420,120.40, 3,630,958.20 and 1,622,302.80 is: 2,433,975.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420,120.40 : 3,630,958.20 = 1,622,302.80 : x
  2. Step 2: Convert to fraction form
    2,420,120.40/3,630,958.20 = 1,622,302.80/x
  3. Step 3: Cross multiply
    2,420,120.40x = 3,630,958.20 × 1,622,302.80
  4. Step 4: Simplify right side
    2,420,120.40x = 5,890,513,654,542.96
  5. Step 5: Solve for x
    x = 5,890,513,654,542.96/2,420,120.40
  6. Step 6: Final answer
    x = 2,433,975.46

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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.