Home / 3,280,455.20-4,920,682.80-2,926,560.80

Finding the Fourth Proportional to 3,280,455.20, 4,920,682.80 and 2,926,560.80

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Solution

The fourth proportional to 3,280,455.20, 4,920,682.80 and 2,926,560.80 is: 4,389,841.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,455.20 : 4,920,682.80 = 2,926,560.80 : x
  2. Step 2: Convert to fraction form
    3,280,455.20/4,920,682.80 = 2,926,560.80/x
  3. Step 3: Cross multiply
    3,280,455.20x = 4,920,682.80 × 2,926,560.80
  4. Step 4: Simplify right side
    3,280,455.20x = 14,400,677,391,714.24
  5. Step 5: Solve for x
    x = 14,400,677,391,714.24/3,280,455.20
  6. Step 6: Final answer
    x = 4,389,841.20

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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.