Home / 3,280,503.70-4,920,755.55-2,802,206.80

Finding the Fourth Proportional to 3,280,503.70, 4,920,755.55 and 2,802,206.80

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Solution

The fourth proportional to 3,280,503.70, 4,920,755.55 and 2,802,206.80 is: 4,203,310.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,503.70 : 4,920,755.55 = 2,802,206.80 : x
  2. Step 2: Convert to fraction form
    3,280,503.70/4,920,755.55 = 2,802,206.80/x
  3. Step 3: Cross multiply
    3,280,503.70x = 4,920,755.55 × 2,802,206.80
  4. Step 4: Simplify right side
    3,280,503.70x = 13,788,974,663,347.74
  5. Step 5: Solve for x
    x = 13,788,974,663,347.74/3,280,503.70
  6. Step 6: Final answer
    x = 4,203,310.20

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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.