Finding the Fourth Proportional to 5,357,349.09, 7,393,197.33 and 2,910,007.80
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Solution
The fourth proportional to 5,357,349.09, 7,393,197.33 and 2,910,007.80 is: 4,015,840.96
Step by Step Solution
- Step 1: Write the proportion equation
5,357,349.09 : 7,393,197.33 = 2,910,007.80 : x - Step 2: Convert to fraction form
5,357,349.09/7,393,197.33 = 2,910,007.80/x - Step 3: Cross multiply
5,357,349.09x = 7,393,197.33 × 2,910,007.80 - Step 4: Simplify right side
5,357,349.09x = 21,514,261,897,239.17 - Step 5: Solve for x
x = 21,514,261,897,239.17/5,357,349.09 - Step 6: Final answer
x = 4,015,840.96
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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.