Finding the Fourth Proportional to 7,679,228.44, 11,517,581.70 and 2,561,697.64
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Solution
The fourth proportional to 7,679,228.44, 11,517,581.70 and 2,561,697.64 is: 3,842,125.82
Step by Step Solution
- Step 1: Write the proportion equation
7,679,228.44 : 11,517,581.70 = 2,561,697.64 : x - Step 2: Convert to fraction form
7,679,228.44/11,517,581.70 = 2,561,697.64/x - Step 3: Cross multiply
7,679,228.44x = 11,517,581.70 × 2,561,697.64 - Step 4: Simplify right side
7,679,228.44x = 29,504,561,859,397.19 - Step 5: Solve for x
x = 29,504,561,859,397.19/7,679,228.44 - Step 6: Final answer
x = 3,842,125.82
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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.