Finding the Fourth Proportional to 2,085,465.92, 2,877,705.09 and 1,167,567.44
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Solution
The fourth proportional to 2,085,465.92, 2,877,705.09 and 1,167,567.44 is: 1,611,109.89
Step by Step Solution
- Step 1: Write the proportion equation
2,085,465.92 : 2,877,705.09 = 1,167,567.44 : x - Step 2: Convert to fraction form
2,085,465.92/2,877,705.09 = 1,167,567.44/x - Step 3: Cross multiply
2,085,465.92x = 2,877,705.09 × 1,167,567.44 - Step 4: Simplify right side
2,085,465.92x = 3,359,914,750,617.74 - Step 5: Solve for x
x = 3,359,914,750,617.74/2,085,465.92 - Step 6: Final answer
x = 1,611,109.89
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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.