Finding the Fourth Proportional to 1,583,966.28, 2,185,901.82 and 858,838.44
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Solution
The fourth proportional to 1,583,966.28, 2,185,901.82 and 858,838.44 is: 1,185,212.42
Step by Step Solution
- Step 1: Write the proportion equation
1,583,966.28 : 2,185,901.82 = 858,838.44 : x - Step 2: Convert to fraction form
1,583,966.28/2,185,901.82 = 858,838.44/x - Step 3: Cross multiply
1,583,966.28x = 2,185,901.82 × 858,838.44 - Step 4: Simplify right side
1,583,966.28x = 1,877,336,509,081.96 - Step 5: Solve for x
x = 1,877,336,509,081.96/1,583,966.28 - Step 6: Final answer
x = 1,185,212.42
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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.