Finding the Fourth Proportional to 2,154,468.77, 3,232,175.79 and 638,270.19
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Solution
The fourth proportional to 2,154,468.77, 3,232,175.79 and 638,270.19 is: 957,545.31
Step by Step Solution
- Step 1: Write the proportion equation
2,154,468.77 : 3,232,175.79 = 638,270.19 : x - Step 2: Convert to fraction form
2,154,468.77/3,232,175.79 = 638,270.19/x - Step 3: Cross multiply
2,154,468.77x = 3,232,175.79 × 638,270.19 - Step 4: Simplify right side
2,154,468.77x = 2,063,001,455,596.70 - Step 5: Solve for x
x = 2,063,001,455,596.70/2,154,468.77 - Step 6: Final answer
x = 957,545.31
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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.