Finding the Fourth Proportional to 5,209,663.08, 7,189,591.34 and 3,144,645.88
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Solution
The fourth proportional to 5,209,663.08, 7,189,591.34 and 3,144,645.88 is: 4,339,766.02
Step by Step Solution
- Step 1: Write the proportion equation
5,209,663.08 : 7,189,591.34 = 3,144,645.88 : x - Step 2: Convert to fraction form
5,209,663.08/7,189,591.34 = 3,144,645.88/x - Step 3: Cross multiply
5,209,663.08x = 7,189,591.34 × 3,144,645.88 - Step 4: Simplify right side
5,209,663.08x = 22,608,718,786,214.68 - Step 5: Solve for x
x = 22,608,718,786,214.68/5,209,663.08 - Step 6: Final answer
x = 4,339,766.02
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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.