Finding the Fourth Proportional to 5,199,105.10, 7,788,160.05 and 2,952,618.70
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Solution
The fourth proportional to 5,199,105.10, 7,788,160.05 and 2,952,618.70 is: 4,422,966.37
Step by Step Solution
- Step 1: Write the proportion equation
5,199,105.10 : 7,788,160.05 = 2,952,618.70 : x - Step 2: Convert to fraction form
5,199,105.10/7,788,160.05 = 2,952,618.70/x - Step 3: Cross multiply
5,199,105.10x = 7,788,160.05 × 2,952,618.70 - Step 4: Simplify right side
5,199,105.10x = 22,995,467,002,222.94 - Step 5: Solve for x
x = 22,995,467,002,222.94/5,199,105.10 - Step 6: Final answer
x = 4,422,966.37
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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.