Finding the Fourth Proportional to 1,801,767.74, 2,486,439.72 and 985,971.62
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Solution
The fourth proportional to 1,801,767.74, 2,486,439.72 and 985,971.62 is: 1,360,640.96
Step by Step Solution
- Step 1: Write the proportion equation
1,801,767.74 : 2,486,439.72 = 985,971.62 : x - Step 2: Convert to fraction form
1,801,767.74/2,486,439.72 = 985,971.62/x - Step 3: Cross multiply
1,801,767.74x = 2,486,439.72 × 985,971.62 - Step 4: Simplify right side
1,801,767.74x = 2,451,558,986,328.55 - Step 5: Solve for x
x = 2,451,558,986,328.55/1,801,767.74 - Step 6: Final answer
x = 1,360,640.96
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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.