Finding the Fourth Proportional to 4,021,381.75, 5,547,278.68 and 2,548,585.48
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Solution
The fourth proportional to 4,021,381.75, 5,547,278.68 and 2,548,585.48 is: 3,515,635.86
Step by Step Solution
- Step 1: Write the proportion equation
4,021,381.75 : 5,547,278.68 = 2,548,585.48 : x - Step 2: Convert to fraction form
4,021,381.75/5,547,278.68 = 2,548,585.48/x - Step 3: Cross multiply
4,021,381.75x = 5,547,278.68 × 2,548,585.48 - Step 4: Simplify right side
4,021,381.75x = 14,137,713,897,361.57 - Step 5: Solve for x
x = 14,137,713,897,361.57/4,021,381.75 - Step 6: Final answer
x = 3,515,635.86
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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.