Finding the Fourth Proportional to 6,936,115.60, 10,405,987.80 and 2,676,422.80
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Solution
The fourth proportional to 6,936,115.60, 10,405,987.80 and 2,676,422.80 is: 4,015,334.32
Step by Step Solution
- Step 1: Write the proportion equation
6,936,115.60 : 10,405,987.80 = 2,676,422.80 : x - Step 2: Convert to fraction form
6,936,115.60/10,405,987.80 = 2,676,422.80/x - Step 3: Cross multiply
6,936,115.60x = 10,405,987.80 × 2,676,422.80 - Step 4: Simplify right side
6,936,115.60x = 27,850,823,004,441.84 - Step 5: Solve for x
x = 27,850,823,004,441.84/6,936,115.60 - Step 6: Final answer
x = 4,015,334.32
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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.