Finding the Fourth Proportional to 4,893,609.80, 7,340,414.70 and 2,872,821.80
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Solution
The fourth proportional to 4,893,609.80, 7,340,414.70 and 2,872,821.80 is: 4,309,232.70
Step by Step Solution
- Step 1: Write the proportion equation
4,893,609.80 : 7,340,414.70 = 2,872,821.80 : x - Step 2: Convert to fraction form
4,893,609.80/7,340,414.70 = 2,872,821.80/x - Step 3: Cross multiply
4,893,609.80x = 7,340,414.70 × 2,872,821.80 - Step 4: Simplify right side
4,893,609.80x = 21,087,703,371,200.46 - Step 5: Solve for x
x = 21,087,703,371,200.46/4,893,609.80 - Step 6: Final answer
x = 4,309,232.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.