Finding the Fourth Proportional to 5,295,442.08, 7,307,478.90 and 2,940,493.80
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Solution
The fourth proportional to 5,295,442.08, 7,307,478.90 and 2,940,493.80 is: 4,057,753.08
Step by Step Solution
- Step 1: Write the proportion equation
5,295,442.08 : 7,307,478.90 = 2,940,493.80 : x - Step 2: Convert to fraction form
5,295,442.08/7,307,478.90 = 2,940,493.80/x - Step 3: Cross multiply
5,295,442.08x = 7,307,478.90 × 2,940,493.80 - Step 4: Simplify right side
5,295,442.08x = 21,487,596,399,080.82 - Step 5: Solve for x
x = 21,487,596,399,080.82/5,295,442.08 - Step 6: Final answer
x = 4,057,753.08
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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.