Finding the Fourth Proportional to 1,801,906.60, 2,486,630.76 and 986,110.80
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Solution
The fourth proportional to 1,801,906.60, 2,486,630.76 and 986,110.80 is: 1,360,832.71
Step by Step Solution
- Step 1: Write the proportion equation
1,801,906.60 : 2,486,630.76 = 986,110.80 : x - Step 2: Convert to fraction form
1,801,906.60/2,486,630.76 = 986,110.80/x - Step 3: Cross multiply
1,801,906.60x = 2,486,630.76 × 986,110.80 - Step 4: Simplify right side
1,801,906.60x = 2,452,093,448,048.21 - Step 5: Solve for x
x = 2,452,093,448,048.21/1,801,906.60 - Step 6: Final answer
x = 1,360,832.71
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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.