Finding the Fourth Proportional to 5,384,988.08, 7,431,307.80 and 2,937,591.44
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Solution
The fourth proportional to 5,384,988.08, 7,431,307.80 and 2,937,591.44 is: 4,053,889.42
Step by Step Solution
- Step 1: Write the proportion equation
5,384,988.08 : 7,431,307.80 = 2,937,591.44 : x - Step 2: Convert to fraction form
5,384,988.08/7,431,307.80 = 2,937,591.44/x - Step 3: Cross multiply
5,384,988.08x = 7,431,307.80 × 2,937,591.44 - Step 4: Simplify right side
5,384,988.08x = 21,830,146,181,285.23 - Step 5: Solve for x
x = 21,830,146,181,285.23/5,384,988.08 - Step 6: Final answer
x = 4,053,889.42
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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.