Home / 3,280,438.80-4,920,658.20-2,616,886.80

Finding the Fourth Proportional to 3,280,438.80, 4,920,658.20 and 2,616,886.80

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Solution

The fourth proportional to 3,280,438.80, 4,920,658.20 and 2,616,886.80 is: 3,925,330.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,438.80 : 4,920,658.20 = 2,616,886.80 : x
  2. Step 2: Convert to fraction form
    3,280,438.80/4,920,658.20 = 2,616,886.80/x
  3. Step 3: Cross multiply
    3,280,438.80x = 4,920,658.20 × 2,616,886.80
  4. Step 4: Simplify right side
    3,280,438.80x = 12,876,805,490,891.76
  5. Step 5: Solve for x
    x = 12,876,805,490,891.76/3,280,438.80
  6. Step 6: Final answer
    x = 3,925,330.20

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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.