Finding the Fourth Proportional to 2,171,353.19, 3,253,708.40 and 1,160,618.99
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Solution
The fourth proportional to 2,171,353.19, 3,253,708.40 and 1,160,618.99 is: 1,739,153.16
Step by Step Solution
- Step 1: Write the proportion equation
2,171,353.19 : 3,253,708.40 = 1,160,618.99 : x - Step 2: Convert to fraction form
2,171,353.19/3,253,708.40 = 1,160,618.99/x - Step 3: Cross multiply
2,171,353.19x = 3,253,708.40 × 1,160,618.99 - Step 4: Simplify right side
2,171,353.19x = 3,776,315,751,159.42 - Step 5: Solve for x
x = 3,776,315,751,159.42/2,171,353.19 - Step 6: Final answer
x = 1,739,153.16
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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.