Finding the Fourth Proportional to 3,366,129.64, 5,049,239.10 and 1,122,268.36
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Solution
The fourth proportional to 3,366,129.64, 5,049,239.10 and 1,122,268.36 is: 1,683,417.42
Step by Step Solution
- Step 1: Write the proportion equation
3,366,129.64 : 5,049,239.10 = 1,122,268.36 : x - Step 2: Convert to fraction form
3,366,129.64/5,049,239.10 = 1,122,268.36/x - Step 3: Cross multiply
3,366,129.64x = 5,049,239.10 × 1,122,268.36 - Step 4: Simplify right side
3,366,129.64x = 5,666,601,284,004.88 - Step 5: Solve for x
x = 5,666,601,284,004.88/3,366,129.64 - Step 6: Final answer
x = 1,683,417.42
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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.