Home / 2,664,421.72-3,997,636.17-1,600,205.74

Finding the Fourth Proportional to 2,664,421.72, 3,997,636.17 and 1,600,205.74

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Solution

The fourth proportional to 2,664,421.72, 3,997,636.17 and 1,600,205.74 is: 2,400,911.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,664,421.72 : 3,997,636.17 = 1,600,205.74 : x
  2. Step 2: Convert to fraction form
    2,664,421.72/3,997,636.17 = 1,600,205.74/x
  3. Step 3: Cross multiply
    2,664,421.72x = 3,997,636.17 × 1,600,205.74
  4. Step 4: Simplify right side
    2,664,421.72x = 6,397,040,345,665.62
  5. Step 5: Solve for x
    x = 6,397,040,345,665.62/2,664,421.72
  6. Step 6: Final answer
    x = 2,400,911.35

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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.