Finding the Fourth Proportional to 4,621,553.29, 6,375,594.37 and 2,990,487.17
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Solution
The fourth proportional to 4,621,553.29, 6,375,594.37 and 2,990,487.17 is: 4,125,481.62
Step by Step Solution
- Step 1: Write the proportion equation
4,621,553.29 : 6,375,594.37 = 2,990,487.17 : x - Step 2: Convert to fraction form
4,621,553.29/6,375,594.37 = 2,990,487.17/x - Step 3: Cross multiply
4,621,553.29x = 6,375,594.37 × 2,990,487.17 - Step 4: Simplify right side
4,621,553.29x = 19,066,133,164,609.23 - Step 5: Solve for x
x = 19,066,133,164,609.23/4,621,553.29 - Step 6: Final answer
x = 4,125,481.62
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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.