Finding the Fourth Proportional to 2,006,722.26, 2,769,276.76 and 1,201,906.26
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Solution
The fourth proportional to 2,006,722.26, 2,769,276.76 and 1,201,906.26 is: 1,658,630.66
Step by Step Solution
- Step 1: Write the proportion equation
2,006,722.26 : 2,769,276.76 = 1,201,906.26 : x - Step 2: Convert to fraction form
2,006,722.26/2,769,276.76 = 1,201,906.26/x - Step 3: Cross multiply
2,006,722.26x = 2,769,276.76 × 1,201,906.26 - Step 4: Simplify right side
2,006,722.26x = 3,328,411,073,516.52 - Step 5: Solve for x
x = 3,328,411,073,516.52/2,006,722.26 - Step 6: Final answer
x = 1,658,630.66
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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.