Home / 6,279,136.80-9,418,705.20-1,551,328.80

Finding the Fourth Proportional to 6,279,136.80, 9,418,705.20 and 1,551,328.80

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Solution

The fourth proportional to 6,279,136.80, 9,418,705.20 and 1,551,328.80 is: 2,326,993.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,279,136.80 : 9,418,705.20 = 1,551,328.80 : x
  2. Step 2: Convert to fraction form
    6,279,136.80/9,418,705.20 = 1,551,328.80/x
  3. Step 3: Cross multiply
    6,279,136.80x = 9,418,705.20 × 1,551,328.80
  4. Step 4: Simplify right side
    6,279,136.80x = 14,611,508,635,469.76
  5. Step 5: Solve for x
    x = 14,611,508,635,469.76/6,279,136.80
  6. Step 6: Final answer
    x = 2,326,993.20

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Double scale
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Similar ratio
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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.