Finding the Fourth Proportional to 2,421,476.18, 3,341,636.96 and 1,403,471.42
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Solution
The fourth proportional to 2,421,476.18, 3,341,636.96 and 1,403,471.42 is: 1,936,790.46
Step by Step Solution
- Step 1: Write the proportion equation
2,421,476.18 : 3,341,636.96 = 1,403,471.42 : x - Step 2: Convert to fraction form
2,421,476.18/3,341,636.96 = 1,403,471.42/x - Step 3: Cross multiply
2,421,476.18x = 3,341,636.96 × 1,403,471.42 - Step 4: Simplify right side
2,421,476.18x = 4,689,891,969,375.68 - Step 5: Solve for x
x = 4,689,891,969,375.68/2,421,476.18 - Step 6: Final answer
x = 1,936,790.46
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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.