Finding the Fourth Proportional to 2,863,471.99, 3,951,489.66 and 1,574,302.99
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Solution
The fourth proportional to 2,863,471.99, 3,951,489.66 and 1,574,302.99 is: 2,172,482.22
Step by Step Solution
- Step 1: Write the proportion equation
2,863,471.99 : 3,951,489.66 = 1,574,302.99 : x - Step 2: Convert to fraction form
2,863,471.99/3,951,489.66 = 1,574,302.99/x - Step 3: Cross multiply
2,863,471.99x = 3,951,489.66 × 1,574,302.99 - Step 4: Simplify right side
2,863,471.99x = 6,220,841,986,692.08 - Step 5: Solve for x
x = 6,220,841,986,692.08/2,863,471.99 - Step 6: Final answer
x = 2,172,482.22
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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.