Finding the Fourth Proportional to 1,628,682.91, 2,247,585.09 and 903,530.63
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Solution
The fourth proportional to 1,628,682.91, 2,247,585.09 and 903,530.63 is: 1,246,873.75
Step by Step Solution
- Step 1: Write the proportion equation
1,628,682.91 : 2,247,585.09 = 903,530.63 : x - Step 2: Convert to fraction form
1,628,682.91/2,247,585.09 = 903,530.63/x - Step 3: Cross multiply
1,628,682.91x = 2,247,585.09 × 903,530.63 - Step 4: Simplify right side
1,628,682.91x = 2,030,761,972,346.31 - Step 5: Solve for x
x = 2,030,761,972,346.31/1,628,682.91 - Step 6: Final answer
x = 1,246,873.75
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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.