Finding the Fourth Proportional to 5,731,716.84, 7,909,768.96 and 3,153,342.25
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Solution
The fourth proportional to 5,731,716.84, 7,909,768.96 and 3,153,342.25 is: 4,351,612.15
Step by Step Solution
- Step 1: Write the proportion equation
5,731,716.84 : 7,909,768.96 = 3,153,342.25 : x - Step 2: Convert to fraction form
5,731,716.84/7,909,768.96 = 3,153,342.25/x - Step 3: Cross multiply
5,731,716.84x = 7,909,768.96 × 3,153,342.25 - Step 4: Simplify right side
5,731,716.84x = 24,942,208,649,306.56 - Step 5: Solve for x
x = 24,942,208,649,306.56/5,731,716.84 - Step 6: Final answer
x = 4,351,612.15
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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.