Finding the Fourth Proportional to 5,415,953.86, 7,474,781.67 and 3,351,633.96
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Solution
The fourth proportional to 5,415,953.86, 7,474,781.67 and 3,351,633.96 is: 4,625,728.49
Step by Step Solution
- Step 1: Write the proportion equation
5,415,953.86 : 7,474,781.67 = 3,351,633.96 : x - Step 2: Convert to fraction form
5,415,953.86/7,474,781.67 = 3,351,633.96/x - Step 3: Cross multiply
5,415,953.86x = 7,474,781.67 × 3,351,633.96 - Step 4: Simplify right side
5,415,953.86x = 25,052,732,070,070.56 - Step 5: Solve for x
x = 25,052,732,070,070.56/5,415,953.86 - Step 6: Final answer
x = 4,625,728.49
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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.