Finding the Fourth Proportional to 2,845,529.82, 3,926,956.95 and 1,638,694.62
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Solution
The fourth proportional to 2,845,529.82, 3,926,956.95 and 1,638,694.62 is: 2,261,471.02
Step by Step Solution
- Step 1: Write the proportion equation
2,845,529.82 : 3,926,956.95 = 1,638,694.62 : x - Step 2: Convert to fraction form
2,845,529.82/3,926,956.95 = 1,638,694.62/x - Step 3: Cross multiply
2,845,529.82x = 3,926,956.95 × 1,638,694.62 - Step 4: Simplify right side
2,845,529.82x = 6,435,083,226,936.61 - Step 5: Solve for x
x = 6,435,083,226,936.61/2,845,529.82 - Step 6: Final answer
x = 2,261,471.02
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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.