Finding the Fourth Proportional to 1,965,730.17, 2,713,544.64 and 1,321,524
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Solution
The fourth proportional to 1,965,730.17, 2,713,544.64 and 1,321,524 is: 1,824,265.82
Step by Step Solution
- Step 1: Write the proportion equation
1,965,730.17 : 2,713,544.64 = 1,321,524 : x - Step 2: Convert to fraction form
1,965,730.17/2,713,544.64 = 1,321,524/x - Step 3: Cross multiply
1,965,730.17x = 2,713,544.64 × 1,321,524 - Step 4: Simplify right side
1,965,730.17x = 3,586,014,366,831.36 - Step 5: Solve for x
x = 3,586,014,366,831.36/1,965,730.17 - Step 6: Final answer
x = 1,824,265.82
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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.