Finding the Fourth Proportional to 4,972,164.51, 6,861,518.10 and 2,796,709.14
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Solution
The fourth proportional to 4,972,164.51, 6,861,518.10 and 2,796,709.14 is: 3,859,419.85
Step by Step Solution
- Step 1: Write the proportion equation
4,972,164.51 : 6,861,518.10 = 2,796,709.14 : x - Step 2: Convert to fraction form
4,972,164.51/6,861,518.10 = 2,796,709.14/x - Step 3: Cross multiply
4,972,164.51x = 6,861,518.10 × 2,796,709.14 - Step 4: Simplify right side
4,972,164.51x = 19,189,670,384,545.43 - Step 5: Solve for x
x = 19,189,670,384,545.43/4,972,164.51 - Step 6: Final answer
x = 3,859,419.85
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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.