Finding the Fourth Proportional to 7,722,344.68, 10,656,837.30 and 4,284,577.60
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Solution
The fourth proportional to 7,722,344.68, 10,656,837.30 and 4,284,577.60 is: 5,912,718.00
Step by Step Solution
- Step 1: Write the proportion equation
7,722,344.68 : 10,656,837.30 = 4,284,577.60 : x - Step 2: Convert to fraction form
7,722,344.68/10,656,837.30 = 4,284,577.60/x - Step 3: Cross multiply
7,722,344.68x = 10,656,837.30 × 4,284,577.60 - Step 4: Simplify right side
7,722,344.68x = 45,660,046,382,424.48 - Step 5: Solve for x
x = 45,660,046,382,424.48/7,722,344.68 - Step 6: Final answer
x = 5,912,718.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.