Home / 3,280,432.80-4,920,649.20-2,616,880.80

Finding the Fourth Proportional to 3,280,432.80, 4,920,649.20 and 2,616,880.80

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Solution

The fourth proportional to 3,280,432.80, 4,920,649.20 and 2,616,880.80 is: 3,925,321.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,432.80 : 4,920,649.20 = 2,616,880.80 : x
  2. Step 2: Convert to fraction form
    3,280,432.80/4,920,649.20 = 2,616,880.80/x
  3. Step 3: Cross multiply
    3,280,432.80x = 4,920,649.20 × 2,616,880.80
  4. Step 4: Simplify right side
    3,280,432.80x = 12,876,752,415,015.36
  5. Step 5: Solve for x
    x = 12,876,752,415,015.36/3,280,432.80
  6. Step 6: Final answer
    x = 3,925,321.20

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1.5x scale

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.