Finding the Fourth Proportional to 4,812,377.49, 6,641,082.54 and 2,636,902.98
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Solution
The fourth proportional to 4,812,377.49, 6,641,082.54 and 2,636,902.98 is: 3,638,926.99
Step by Step Solution
- Step 1: Write the proportion equation
4,812,377.49 : 6,641,082.54 = 2,636,902.98 : x - Step 2: Convert to fraction form
4,812,377.49/6,641,082.54 = 2,636,902.98/x - Step 3: Cross multiply
4,812,377.49x = 6,641,082.54 × 2,636,902.98 - Step 4: Simplify right side
4,812,377.49x = 17,511,890,340,151.97 - Step 5: Solve for x
x = 17,511,890,340,151.97/4,812,377.49 - Step 6: Final answer
x = 3,638,926.99
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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.