Finding the Fourth Proportional to 2,085,689.79, 2,876,764.98 and 1,914,160.68
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Solution
The fourth proportional to 2,085,689.79, 2,876,764.98 and 1,914,160.68 is: 2,640,177.09
Step by Step Solution
- Step 1: Write the proportion equation
2,085,689.79 : 2,876,764.98 = 1,914,160.68 : x - Step 2: Convert to fraction form
2,085,689.79/2,876,764.98 = 1,914,160.68/x - Step 3: Cross multiply
2,085,689.79x = 2,876,764.98 × 1,914,160.68 - Step 4: Simplify right side
2,085,689.79x = 5,506,590,410,316.99 - Step 5: Solve for x
x = 5,506,590,410,316.99/2,085,689.79 - Step 6: Final answer
x = 2,640,177.09
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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.