Home / 3,280,551.20-4,916,890.20-1,682,291.60

Finding the Fourth Proportional to 3,280,551.20, 4,916,890.20 and 1,682,291.60

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Solution

The fourth proportional to 3,280,551.20, 4,916,890.20 and 1,682,291.60 is: 2,521,418.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,551.20 : 4,916,890.20 = 1,682,291.60 : x
  2. Step 2: Convert to fraction form
    3,280,551.20/4,916,890.20 = 1,682,291.60/x
  3. Step 3: Cross multiply
    3,280,551.20x = 4,916,890.20 × 1,682,291.60
  4. Step 4: Simplify right side
    3,280,551.20x = 8,271,643,081,582.32
  5. Step 5: Solve for x
    x = 8,271,643,081,582.32/3,280,551.20
  6. Step 6: Final answer
    x = 2,521,418.68

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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.