Finding the Fourth Proportional to 1,581,738.19, 2,182,795.37 and 856,583.66
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Solution
The fourth proportional to 1,581,738.19, 2,182,795.37 and 856,583.66 is: 1,182,083.65
Step by Step Solution
- Step 1: Write the proportion equation
1,581,738.19 : 2,182,795.37 = 856,583.66 : x - Step 2: Convert to fraction form
1,581,738.19/2,182,795.37 = 856,583.66/x - Step 3: Cross multiply
1,581,738.19x = 2,182,795.37 × 856,583.66 - Step 4: Simplify right side
1,581,738.19x = 1,869,746,853,287.71 - Step 5: Solve for x
x = 1,869,746,853,287.71/1,581,738.19 - Step 6: Final answer
x = 1,182,083.65
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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.