Finding the Fourth Proportional to 2,085,886.44, 3,129,728.81 and 1,126,151.48
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Solution
The fourth proportional to 2,085,886.44, 3,129,728.81 and 1,126,151.48 is: 1,689,712.66
Step by Step Solution
- Step 1: Write the proportion equation
2,085,886.44 : 3,129,728.81 = 1,126,151.48 : x - Step 2: Convert to fraction form
2,085,886.44/3,129,728.81 = 1,126,151.48/x - Step 3: Cross multiply
2,085,886.44x = 3,129,728.81 × 1,126,151.48 - Step 4: Simplify right side
2,085,886.44x = 3,524,548,733,573.70 - Step 5: Solve for x
x = 3,524,548,733,573.70/2,085,886.44 - Step 6: Final answer
x = 1,689,712.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.