Finding the Fourth Proportional to 4,972,097.68, 6,861,565.69 and 2,934,907.18
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Solution
The fourth proportional to 4,972,097.68, 6,861,565.69 and 2,934,907.18 is: 4,050,213.75
Step by Step Solution
- Step 1: Write the proportion equation
4,972,097.68 : 6,861,565.69 = 2,934,907.18 : x - Step 2: Convert to fraction form
4,972,097.68/6,861,565.69 = 2,934,907.18/x - Step 3: Cross multiply
4,972,097.68x = 6,861,565.69 × 2,934,907.18 - Step 4: Simplify right side
4,972,097.68x = 20,138,058,385,131.47 - Step 5: Solve for x
x = 20,138,058,385,131.47/4,972,097.68 - Step 6: Final answer
x = 4,050,213.75
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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.