Home / 3,280,520.80-4,920,781.20-2,430,215.20

Finding the Fourth Proportional to 3,280,520.80, 4,920,781.20 and 2,430,215.20

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Solution

The fourth proportional to 3,280,520.80, 4,920,781.20 and 2,430,215.20 is: 3,645,322.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,520.80 : 4,920,781.20 = 2,430,215.20 : x
  2. Step 2: Convert to fraction form
    3,280,520.80/4,920,781.20 = 2,430,215.20/x
  3. Step 3: Cross multiply
    3,280,520.80x = 4,920,781.20 × 2,430,215.20
  4. Step 4: Simplify right side
    3,280,520.80x = 11,958,557,268,114.24
  5. Step 5: Solve for x
    x = 11,958,557,268,114.24/3,280,520.80
  6. Step 6: Final answer
    x = 3,645,322.80

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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.