Finding the Fourth Proportional to 4,789,639.68, 7,174,244.88 and 3,874,896.96
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Solution
The fourth proportional to 4,789,639.68, 7,174,244.88 and 3,874,896.96 is: 5,804,081.63
Step by Step Solution
- Step 1: Write the proportion equation
4,789,639.68 : 7,174,244.88 = 3,874,896.96 : x - Step 2: Convert to fraction form
4,789,639.68/7,174,244.88 = 3,874,896.96/x - Step 3: Cross multiply
4,789,639.68x = 7,174,244.88 × 3,874,896.96 - Step 4: Simplify right side
4,789,639.68x = 27,799,459,675,807.56 - Step 5: Solve for x
x = 27,799,459,675,807.56/4,789,639.68 - Step 6: Final answer
x = 5,804,081.63
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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.