Home / 3,280,656.80-4,920,985.20-2,617,104.80

Finding the Fourth Proportional to 3,280,656.80, 4,920,985.20 and 2,617,104.80

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Solution

The fourth proportional to 3,280,656.80, 4,920,985.20 and 2,617,104.80 is: 3,925,657.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,656.80 : 4,920,985.20 = 2,617,104.80 : x
  2. Step 2: Convert to fraction form
    3,280,656.80/4,920,985.20 = 2,617,104.80/x
  3. Step 3: Cross multiply
    3,280,656.80x = 4,920,985.20 × 2,617,104.80
  4. Step 4: Simplify right side
    3,280,656.80x = 12,878,733,987,648.96
  5. Step 5: Solve for x
    x = 12,878,733,987,648.96/3,280,656.80
  6. Step 6: Final answer
    x = 3,925,657.20

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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.