Finding the Fourth Proportional to 4,982,715.30, 6,876,147.31 and 2,690,875.99
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Solution
The fourth proportional to 4,982,715.30, 6,876,147.31 and 2,690,875.99 is: 3,713,408.97
Step by Step Solution
- Step 1: Write the proportion equation
4,982,715.30 : 6,876,147.31 = 2,690,875.99 : x - Step 2: Convert to fraction form
4,982,715.30/6,876,147.31 = 2,690,875.99/x - Step 3: Cross multiply
4,982,715.30x = 6,876,147.31 × 2,690,875.99 - Step 4: Simplify right side
4,982,715.30x = 18,502,859,702,050.08 - Step 5: Solve for x
x = 18,502,859,702,050.08/4,982,715.30 - Step 6: Final answer
x = 3,713,408.97
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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.