Finding the Fourth Proportional to 7,717,988.12, 11,578,728.84 and 2,600,278.96
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Solution
The fourth proportional to 7,717,988.12, 11,578,728.84 and 2,600,278.96 is: 3,901,006.91
Step by Step Solution
- Step 1: Write the proportion equation
7,717,988.12 : 11,578,728.84 = 2,600,278.96 : x - Step 2: Convert to fraction form
7,717,988.12/11,578,728.84 = 2,600,278.96/x - Step 3: Cross multiply
7,717,988.12x = 11,578,728.84 × 2,600,278.96 - Step 4: Simplify right side
7,717,988.12x = 30,107,924,986,197.21 - Step 5: Solve for x
x = 30,107,924,986,197.21/7,717,988.12 - Step 6: Final answer
x = 3,901,006.91
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.