Finding the Fourth Proportional to 1,587,544.11, 2,190,826.44 and 862,397.69
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Solution
The fourth proportional to 1,587,544.11, 2,190,826.44 and 862,397.69 is: 1,190,117.26
Step by Step Solution
- Step 1: Write the proportion equation
1,587,544.11 : 2,190,826.44 = 862,397.69 : x - Step 2: Convert to fraction form
1,587,544.11/2,190,826.44 = 862,397.69/x - Step 3: Cross multiply
1,587,544.11x = 2,190,826.44 × 862,397.69 - Step 4: Simplify right side
1,587,544.11x = 1,889,363,650,092.79 - Step 5: Solve for x
x = 1,889,363,650,092.79/1,587,544.11 - Step 6: Final answer
x = 1,190,117.26
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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.