Home / 3,280,431.80-4,920,647.70-2,616,879.80

Finding the Fourth Proportional to 3,280,431.80, 4,920,647.70 and 2,616,879.80

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Solution

The fourth proportional to 3,280,431.80, 4,920,647.70 and 2,616,879.80 is: 3,925,319.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,431.80 : 4,920,647.70 = 2,616,879.80 : x
  2. Step 2: Convert to fraction form
    3,280,431.80/4,920,647.70 = 2,616,879.80/x
  3. Step 3: Cross multiply
    3,280,431.80x = 4,920,647.70 × 2,616,879.80
  4. Step 4: Simplify right side
    3,280,431.80x = 12,876,743,569,046.46
  5. Step 5: Solve for x
    x = 12,876,743,569,046.46/3,280,431.80
  6. Step 6: Final answer
    x = 3,925,319.70

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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.