Finding the Fourth Proportional to 1,619,179.94, 2,233,531.62 and 1,046,220.09
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Solution
The fourth proportional to 1,619,179.94, 2,233,531.62 and 1,046,220.09 is: 1,443,178.49
Step by Step Solution
- Step 1: Write the proportion equation
1,619,179.94 : 2,233,531.62 = 1,046,220.09 : x - Step 2: Convert to fraction form
1,619,179.94/2,233,531.62 = 1,046,220.09/x - Step 3: Cross multiply
1,619,179.94x = 2,233,531.62 × 1,046,220.09 - Step 4: Simplify right side
1,619,179.94x = 2,336,765,652,494.25 - Step 5: Solve for x
x = 2,336,765,652,494.25/1,619,179.94 - Step 6: Final answer
x = 1,443,178.49
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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.