Finding the Fourth Proportional to 5,157,884.14, 7,117,729.98 and 2,952,672.52
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Solution
The fourth proportional to 5,157,884.14, 7,117,729.98 and 2,952,672.52 is: 4,074,602.13
Step by Step Solution
- Step 1: Write the proportion equation
5,157,884.14 : 7,117,729.98 = 2,952,672.52 : x - Step 2: Convert to fraction form
5,157,884.14/7,117,729.98 = 2,952,672.52/x - Step 3: Cross multiply
5,157,884.14x = 7,117,729.98 × 2,952,672.52 - Step 4: Simplify right side
5,157,884.14x = 21,016,325,717,813.83 - Step 5: Solve for x
x = 21,016,325,717,813.83/5,157,884.14 - Step 6: Final answer
x = 4,074,602.13
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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.