Finding the Fourth Proportional to 6,474,601.67, 8,935,161.78 and 3,534,575.53
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Solution
The fourth proportional to 6,474,601.67, 8,935,161.78 and 3,534,575.53 is: 4,877,829.67
Step by Step Solution
- Step 1: Write the proportion equation
6,474,601.67 : 8,935,161.78 = 3,534,575.53 : x - Step 2: Convert to fraction form
6,474,601.67/8,935,161.78 = 3,534,575.53/x - Step 3: Cross multiply
6,474,601.67x = 8,935,161.78 × 3,534,575.53 - Step 4: Simplify right side
6,474,601.67x = 31,582,004,146,837.29 - Step 5: Solve for x
x = 31,582,004,146,837.29/6,474,601.67 - Step 6: Final answer
x = 4,877,829.67
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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.