Finding the Fourth Proportional to 4,450,636.28, 6,635,961.10 and 4,070,609.49
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Solution
The fourth proportional to 4,450,636.28, 6,635,961.10 and 4,070,609.49 is: 6,069,335.82
Step by Step Solution
- Step 1: Write the proportion equation
4,450,636.28 : 6,635,961.10 = 4,070,609.49 : x - Step 2: Convert to fraction form
4,450,636.28/6,635,961.10 = 4,070,609.49/x - Step 3: Cross multiply
4,450,636.28x = 6,635,961.10 × 4,070,609.49 - Step 4: Simplify right side
4,450,636.28x = 27,012,406,198,679.50 - Step 5: Solve for x
x = 27,012,406,198,679.50/4,450,636.28 - Step 6: Final answer
x = 6,069,335.82
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.