Finding the Fourth Proportional to 3,828,217.14, 5,282,948.79 and 2,085,877.98
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Solution
The fourth proportional to 3,828,217.14, 5,282,948.79 and 2,085,877.98 is: 2,878,516.59
Step by Step Solution
- Step 1: Write the proportion equation
3,828,217.14 : 5,282,948.79 = 2,085,877.98 : x - Step 2: Convert to fraction form
3,828,217.14/5,282,948.79 = 2,085,877.98/x - Step 3: Cross multiply
3,828,217.14x = 5,282,948.79 × 2,085,877.98 - Step 4: Simplify right side
3,828,217.14x = 11,019,586,550,528.64 - Step 5: Solve for x
x = 11,019,586,550,528.64/3,828,217.14 - Step 6: Final answer
x = 2,878,516.59
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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.