Finding the Fourth Proportional to 1,971,677.96, 2,719,662.66 and 1,292,657.96
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Solution
The fourth proportional to 1,971,677.96, 2,719,662.66 and 1,292,657.96 is: 1,783,046.55
Step by Step Solution
- Step 1: Write the proportion equation
1,971,677.96 : 2,719,662.66 = 1,292,657.96 : x - Step 2: Convert to fraction form
1,971,677.96/2,719,662.66 = 1,292,657.96/x - Step 3: Cross multiply
1,971,677.96x = 2,719,662.66 × 1,292,657.96 - Step 4: Simplify right side
1,971,677.96x = 3,515,593,585,963.77 - Step 5: Solve for x
x = 3,515,593,585,963.77/1,971,677.96 - Step 6: Final answer
x = 1,783,046.55
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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.