Finding the Fourth Proportional to 2,087,451.11, 3,131,666.69 and 648,060.99
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Solution
The fourth proportional to 2,087,451.11, 3,131,666.69 and 648,060.99 is: 972,243.62
Step by Step Solution
- Step 1: Write the proportion equation
2,087,451.11 : 3,131,666.69 = 648,060.99 : x - Step 2: Convert to fraction form
2,087,451.11/3,131,666.69 = 648,060.99/x - Step 3: Cross multiply
2,087,451.11x = 3,131,666.69 × 648,060.99 - Step 4: Simplify right side
2,087,451.11x = 2,029,511,012,231.12 - Step 5: Solve for x
x = 2,029,511,012,231.12/2,087,451.11 - Step 6: Final answer
x = 972,243.62
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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.