Finding the Fourth Proportional to 2,151,035.68, 3,228,547.34 and 1,086,825.68
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Solution
The fourth proportional to 2,151,035.68, 3,228,547.34 and 1,086,825.68 is: 1,631,245.91
Step by Step Solution
- Step 1: Write the proportion equation
2,151,035.68 : 3,228,547.34 = 1,086,825.68 : x - Step 2: Convert to fraction form
2,151,035.68/3,228,547.34 = 1,086,825.68/x - Step 3: Cross multiply
2,151,035.68x = 3,228,547.34 × 1,086,825.68 - Step 4: Simplify right side
2,151,035.68x = 3,508,868,158,207.69 - Step 5: Solve for x
x = 3,508,868,158,207.69/2,151,035.68 - Step 6: Final answer
x = 1,631,245.91
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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.