Home / 2,663,010.30-3,994,515.45-2,220,142.80

Finding the Fourth Proportional to 2,663,010.30, 3,994,515.45 and 2,220,142.80

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Solution

The fourth proportional to 2,663,010.30, 3,994,515.45 and 2,220,142.80 is: 3,330,214.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,663,010.30 : 3,994,515.45 = 2,220,142.80 : x
  2. Step 2: Convert to fraction form
    2,663,010.30/3,994,515.45 = 2,220,142.80/x
  3. Step 3: Cross multiply
    2,663,010.30x = 3,994,515.45 × 2,220,142.80
  4. Step 4: Simplify right side
    2,663,010.30x = 8,868,394,715,806.26
  5. Step 5: Solve for x
    x = 8,868,394,715,806.26/2,663,010.30
  6. Step 6: Final answer
    x = 3,330,214.20

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Double scale
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Similar ratio
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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.