Finding the Fourth Proportional to 2,578,836.05, 3,558,810.83 and 1,612,531.97
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Solution
The fourth proportional to 2,578,836.05, 3,558,810.83 and 1,612,531.97 is: 2,225,304.80
Step by Step Solution
- Step 1: Write the proportion equation
2,578,836.05 : 3,558,810.83 = 1,612,531.97 : x - Step 2: Convert to fraction form
2,578,836.05/3,558,810.83 = 1,612,531.97/x - Step 3: Cross multiply
2,578,836.05x = 3,558,810.83 × 1,612,531.97 - Step 4: Simplify right side
2,578,836.05x = 5,738,696,238,557.24 - Step 5: Solve for x
x = 5,738,696,238,557.24/2,578,836.05 - Step 6: Final answer
x = 2,225,304.80
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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.