Home / 2,280,421.62-3,420,088.11-682,555.68

Finding the Fourth Proportional to 2,280,421.62, 3,420,088.11 and 682,555.68

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Solution

The fourth proportional to 2,280,421.62, 3,420,088.11 and 682,555.68 is: 1,023,670.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280,421.62 : 3,420,088.11 = 682,555.68 : x
  2. Step 2: Convert to fraction form
    2,280,421.62/3,420,088.11 = 682,555.68/x
  3. Step 3: Cross multiply
    2,280,421.62x = 3,420,088.11 × 682,555.68
  4. Step 4: Simplify right side
    2,280,421.62x = 2,334,400,565,580.97
  5. Step 5: Solve for x
    x = 2,334,400,565,580.97/2,280,421.62
  6. Step 6: Final answer
    x = 1,023,670.60

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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.