Finding the Fourth Proportional to 1,428,240.68, 1,971,520.68 and 969,560.26
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Solution
The fourth proportional to 1,428,240.68, 1,971,520.68 and 969,560.26 is: 1,338,365.54
Step by Step Solution
- Step 1: Write the proportion equation
1,428,240.68 : 1,971,520.68 = 969,560.26 : x - Step 2: Convert to fraction form
1,428,240.68/1,971,520.68 = 969,560.26/x - Step 3: Cross multiply
1,428,240.68x = 1,971,520.68 × 969,560.26 - Step 4: Simplify right side
1,428,240.68x = 1,911,508,103,096.18 - Step 5: Solve for x
x = 1,911,508,103,096.18/1,428,240.68 - Step 6: Final answer
x = 1,338,365.54
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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.