Finding the Fourth Proportional to 6,691,483.84, 9,234,331.68 and 3,635,749.12
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Solution
The fourth proportional to 6,691,483.84, 9,234,331.68 and 3,635,749.12 is: 5,017,379.42
Step by Step Solution
- Step 1: Write the proportion equation
6,691,483.84 : 9,234,331.68 = 3,635,749.12 : x - Step 2: Convert to fraction form
6,691,483.84/9,234,331.68 = 3,635,749.12/x - Step 3: Cross multiply
6,691,483.84x = 9,234,331.68 × 3,635,749.12 - Step 4: Simplify right side
6,691,483.84x = 33,573,713,279,348.12 - Step 5: Solve for x
x = 33,573,713,279,348.12/6,691,483.84 - Step 6: Final answer
x = 5,017,379.42
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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.