Finding the Fourth Proportional to 5,478,027.12, 8,219,906.08 and 2,241,966.96
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Solution
The fourth proportional to 5,478,027.12, 8,219,906.08 and 2,241,966.96 is: 3,364,123.15
Step by Step Solution
- Step 1: Write the proportion equation
5,478,027.12 : 8,219,906.08 = 2,241,966.96 : x - Step 2: Convert to fraction form
5,478,027.12/8,219,906.08 = 2,241,966.96/x - Step 3: Cross multiply
5,478,027.12x = 8,219,906.08 × 2,241,966.96 - Step 4: Simplify right side
5,478,027.12x = 18,428,757,845,663.12 - Step 5: Solve for x
x = 18,428,757,845,663.12/5,478,027.12 - Step 6: Final answer
x = 3,364,123.15
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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.