Finding the Fourth Proportional to 4,788,972.12, 6,608,920.50 and 2,613,654.84
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Solution
The fourth proportional to 4,788,972.12, 6,608,920.50 and 2,613,654.84 is: 3,606,919.53
Step by Step Solution
- Step 1: Write the proportion equation
4,788,972.12 : 6,608,920.50 = 2,613,654.84 : x - Step 2: Convert to fraction form
4,788,972.12/6,608,920.50 = 2,613,654.84/x - Step 3: Cross multiply
4,788,972.12x = 6,608,920.50 × 2,613,654.84 - Step 4: Simplify right side
4,788,972.12x = 17,273,437,052,000.22 - Step 5: Solve for x
x = 17,273,437,052,000.22/4,788,972.12 - Step 6: Final answer
x = 3,606,919.53
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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.