Finding the Fourth Proportional to 1,986,716.32, 2,741,363.60 and 1,115,596
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Solution
The fourth proportional to 1,986,716.32, 2,741,363.60 and 1,115,596 is: 1,539,351.26
Step by Step Solution
- Step 1: Write the proportion equation
1,986,716.32 : 2,741,363.60 = 1,115,596 : x - Step 2: Convert to fraction form
1,986,716.32/2,741,363.60 = 1,115,596/x - Step 3: Cross multiply
1,986,716.32x = 2,741,363.60 × 1,115,596 - Step 4: Simplify right side
1,986,716.32x = 3,058,254,266,705.60 - Step 5: Solve for x
x = 3,058,254,266,705.60/1,986,716.32 - Step 6: Final answer
x = 1,539,351.26
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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.