Finding the Fourth Proportional to 6,910,609.68, 9,536,656.68 and 3,855,021.84
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Solution
The fourth proportional to 6,910,609.68, 9,536,656.68 and 3,855,021.84 is: 5,319,938.69
Step by Step Solution
- Step 1: Write the proportion equation
6,910,609.68 : 9,536,656.68 = 3,855,021.84 : x - Step 2: Convert to fraction form
6,910,609.68/9,536,656.68 = 3,855,021.84/x - Step 3: Cross multiply
6,910,609.68x = 9,536,656.68 × 3,855,021.84 - Step 4: Simplify right side
6,910,609.68x = 36,764,019,781,981.89 - Step 5: Solve for x
x = 36,764,019,781,981.89/6,910,609.68 - Step 6: Final answer
x = 5,319,938.69
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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.