Finding the Fourth Proportional to 6,407,532.21, 8,841,331.56 and 3,654,419.75
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Solution
The fourth proportional to 6,407,532.21, 8,841,331.56 and 3,654,419.75 is: 5,042,493.06
Step by Step Solution
- Step 1: Write the proportion equation
6,407,532.21 : 8,841,331.56 = 3,654,419.75 : x - Step 2: Convert to fraction form
6,407,532.21/8,841,331.56 = 3,654,419.75/x - Step 3: Cross multiply
6,407,532.21x = 8,841,331.56 × 3,654,419.75 - Step 4: Simplify right side
6,407,532.21x = 32,309,936,669,162.31 - Step 5: Solve for x
x = 32,309,936,669,162.31/6,407,532.21 - Step 6: Final answer
x = 5,042,493.06
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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.