Finding the Fourth Proportional to 1,396,486.32, 2,091,823.16 and 888,531.12
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Solution
The fourth proportional to 1,396,486.32, 2,091,823.16 and 888,531.12 is: 1,330,947.50
Step by Step Solution
- Step 1: Write the proportion equation
1,396,486.32 : 2,091,823.16 = 888,531.12 : x - Step 2: Convert to fraction form
1,396,486.32/2,091,823.16 = 888,531.12/x - Step 3: Cross multiply
1,396,486.32x = 2,091,823.16 × 888,531.12 - Step 4: Simplify right side
1,396,486.32x = 1,858,649,975,196.74 - Step 5: Solve for x
x = 1,858,649,975,196.74/1,396,486.32 - Step 6: Final answer
x = 1,330,947.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.