Finding the Fourth Proportional to 1,588,258.19, 2,191,789.10 and 863,092.19
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Solution
The fourth proportional to 1,588,258.19, 2,191,789.10 and 863,092.19 is: 1,191,063.30
Step by Step Solution
- Step 1: Write the proportion equation
1,588,258.19 : 2,191,789.10 = 863,092.19 : x - Step 2: Convert to fraction form
1,588,258.19/2,191,789.10 = 863,092.19/x - Step 3: Cross multiply
1,588,258.19x = 2,191,789.10 × 863,092.19 - Step 4: Simplify right side
1,588,258.19x = 1,891,716,039,062.72 - Step 5: Solve for x
x = 1,891,716,039,062.72/1,588,258.19 - Step 6: Final answer
x = 1,191,063.30
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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.