Finding the Fourth Proportional to 6,512,990.79, 9,757,154.91 and 4,347,486.26
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Solution
The fourth proportional to 6,512,990.79, 9,757,154.91 and 4,347,486.26 is: 6,512,998.15
Step by Step Solution
- Step 1: Write the proportion equation
6,512,990.79 : 9,757,154.91 = 4,347,486.26 : x - Step 2: Convert to fraction form
6,512,990.79/9,757,154.91 = 4,347,486.26/x - Step 3: Cross multiply
6,512,990.79x = 9,757,154.91 × 4,347,486.26 - Step 4: Simplify right side
6,512,990.79x = 42,419,096,948,612.50 - Step 5: Solve for x
x = 42,419,096,948,612.50/6,512,990.79 - Step 6: Final answer
x = 6,512,998.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.