Finding the Fourth Proportional to 4,678,196.99, 6,455,965.70 and 2,744,490.47
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Solution
The fourth proportional to 4,678,196.99, 6,455,965.70 and 2,744,490.47 is: 3,787,428.44
Step by Step Solution
- Step 1: Write the proportion equation
4,678,196.99 : 6,455,965.70 = 2,744,490.47 : x - Step 2: Convert to fraction form
4,678,196.99/6,455,965.70 = 2,744,490.47/x - Step 3: Cross multiply
4,678,196.99x = 6,455,965.70 × 2,744,490.47 - Step 4: Simplify right side
4,678,196.99x = 17,718,336,324,574.43 - Step 5: Solve for x
x = 17,718,336,324,574.43/4,678,196.99 - Step 6: Final answer
x = 3,787,428.44
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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.