Finding the Fourth Proportional to 4,543,937.62, 6,270,651.52 and 2,478,999.56
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Solution
The fourth proportional to 4,543,937.62, 6,270,651.52 and 2,478,999.56 is: 3,421,028.99
Step by Step Solution
- Step 1: Write the proportion equation
4,543,937.62 : 6,270,651.52 = 2,478,999.56 : x - Step 2: Convert to fraction form
4,543,937.62/6,270,651.52 = 2,478,999.56/x - Step 3: Cross multiply
4,543,937.62x = 6,270,651.52 × 2,478,999.56 - Step 4: Simplify right side
4,543,937.62x = 15,544,942,321,442.58 - Step 5: Solve for x
x = 15,544,942,321,442.58/4,543,937.62 - Step 6: Final answer
x = 3,421,028.99
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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.