Finding the Fourth Proportional to 1,274,497.22, 1,911,750.84 and 516,353.02
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Solution
The fourth proportional to 1,274,497.22, 1,911,750.84 and 516,353.02 is: 774,531.56
Step by Step Solution
- Step 1: Write the proportion equation
1,274,497.22 : 1,911,750.84 = 516,353.02 : x - Step 2: Convert to fraction form
1,274,497.22/1,911,750.84 = 516,353.02/x - Step 3: Cross multiply
1,274,497.22x = 1,911,750.84 × 516,353.02 - Step 4: Simplify right side
1,274,497.22x = 987,138,319,721.54 - Step 5: Solve for x
x = 987,138,319,721.54/1,274,497.22 - Step 6: Final answer
x = 774,531.56
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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.