Finding the Fourth Proportional to 5,413,711.96, 8,121,592.09 and 2,175,501.70
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Solution
The fourth proportional to 5,413,711.96, 8,121,592.09 and 2,175,501.70 is: 3,263,664.11
Step by Step Solution
- Step 1: Write the proportion equation
5,413,711.96 : 8,121,592.09 = 2,175,501.70 : x - Step 2: Convert to fraction form
5,413,711.96/8,121,592.09 = 2,175,501.70/x - Step 3: Cross multiply
5,413,711.96x = 8,121,592.09 × 2,175,501.70 - Step 4: Simplify right side
5,413,711.96x = 17,668,537,387,624.05 - Step 5: Solve for x
x = 17,668,537,387,624.05/5,413,711.96 - Step 6: Final answer
x = 3,263,664.11
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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.