Finding the Fourth Proportional to 4,625,958.61, 6,384,490.62 and 2,665,461.19
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Solution
The fourth proportional to 4,625,958.61, 6,384,490.62 and 2,665,461.19 is: 3,678,721.19
Step by Step Solution
- Step 1: Write the proportion equation
4,625,958.61 : 6,384,490.62 = 2,665,461.19 : x - Step 2: Convert to fraction form
4,625,958.61/6,384,490.62 = 2,665,461.19/x - Step 3: Cross multiply
4,625,958.61x = 6,384,490.62 × 2,665,461.19 - Step 4: Simplify right side
4,625,958.61x = 17,017,611,965,529.04 - Step 5: Solve for x
x = 17,017,611,965,529.04/4,625,958.61 - Step 6: Final answer
x = 3,678,721.19
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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.