Finding the Fourth Proportional to 1,586,178.41, 2,188,928.98 and 861,026.62
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Solution
The fourth proportional to 1,586,178.41, 2,188,928.98 and 861,026.62 is: 1,188,218.24
Step by Step Solution
- Step 1: Write the proportion equation
1,586,178.41 : 2,188,928.98 = 861,026.62 : x - Step 2: Convert to fraction form
1,586,178.41/2,188,928.98 = 861,026.62/x - Step 3: Cross multiply
1,586,178.41x = 2,188,928.98 × 861,026.62 - Step 4: Simplify right side
1,586,178.41x = 1,884,726,125,672.17 - Step 5: Solve for x
x = 1,884,726,125,672.17/1,586,178.41 - Step 6: Final answer
x = 1,188,218.24
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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.