Finding the Fourth Proportional to 2,702,775.16, 3,729,828.63 and 1,479,080.62
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Solution
The fourth proportional to 2,702,775.16, 3,729,828.63 and 1,479,080.62 is: 2,041,130.66
Step by Step Solution
- Step 1: Write the proportion equation
2,702,775.16 : 3,729,828.63 = 1,479,080.62 : x - Step 2: Convert to fraction form
2,702,775.16/3,729,828.63 = 1,479,080.62/x - Step 3: Cross multiply
2,702,775.16x = 3,729,828.63 × 1,479,080.62 - Step 4: Simplify right side
2,702,775.16x = 5,516,717,242,554.15 - Step 5: Solve for x
x = 5,516,717,242,554.15/2,702,775.16 - Step 6: Final answer
x = 2,041,130.66
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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.