Finding the Fourth Proportional to 4,187,998.20, 6,283,163.70 and 2,058,151.80
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Solution
The fourth proportional to 4,187,998.20, 6,283,163.70 and 2,058,151.80 is: 3,087,800.92
Step by Step Solution
- Step 1: Write the proportion equation
4,187,998.20 : 6,283,163.70 = 2,058,151.80 : x - Step 2: Convert to fraction form
4,187,998.20/6,283,163.70 = 2,058,151.80/x - Step 3: Cross multiply
4,187,998.20x = 6,283,163.70 × 2,058,151.80 - Step 4: Simplify right side
4,187,998.20x = 12,931,704,678,849.66 - Step 5: Solve for x
x = 12,931,704,678,849.66/4,187,998.20 - Step 6: Final answer
x = 3,087,800.92
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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.