Finding the Fourth Proportional to 5,228,374.88, 7,215,186.16 and 2,936,535.92
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Solution
The fourth proportional to 5,228,374.88, 7,215,186.16 and 2,936,535.92 is: 4,052,435.76
Step by Step Solution
- Step 1: Write the proportion equation
5,228,374.88 : 7,215,186.16 = 2,936,535.92 : x - Step 2: Convert to fraction form
5,228,374.88/7,215,186.16 = 2,936,535.92/x - Step 3: Cross multiply
5,228,374.88x = 7,215,186.16 × 2,936,535.92 - Step 4: Simplify right side
5,228,374.88x = 21,187,653,328,326.87 - Step 5: Solve for x
x = 21,187,653,328,326.87/5,228,374.88 - Step 6: Final answer
x = 4,052,435.76
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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.