Finding the Fourth Proportional to 5,140,678.53, 7,094,213.99 and 2,817,552.50
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Solution
The fourth proportional to 5,140,678.53, 7,094,213.99 and 2,817,552.50 is: 3,888,264.98
Step by Step Solution
- Step 1: Write the proportion equation
5,140,678.53 : 7,094,213.99 = 2,817,552.50 : x - Step 2: Convert to fraction form
5,140,678.53/7,094,213.99 = 2,817,552.50/x - Step 3: Cross multiply
5,140,678.53x = 7,094,213.99 × 2,817,552.50 - Step 4: Simplify right side
5,140,678.53x = 19,988,320,313,500.64 - Step 5: Solve for x
x = 19,988,320,313,500.64/5,140,678.53 - Step 6: Final answer
x = 3,888,264.98
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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.