Finding the Fourth Proportional to 1,941,158.06, 2,678,578.35 and 1,125,193.07
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Solution
The fourth proportional to 1,941,158.06, 2,678,578.35 and 1,125,193.07 is: 1,552,639.04
Step by Step Solution
- Step 1: Write the proportion equation
1,941,158.06 : 2,678,578.35 = 1,125,193.07 : x - Step 2: Convert to fraction form
1,941,158.06/2,678,578.35 = 1,125,193.07/x - Step 3: Cross multiply
1,941,158.06x = 2,678,578.35 × 1,125,193.07 - Step 4: Simplify right side
1,941,158.06x = 3,013,917,783,479.14 - Step 5: Solve for x
x = 3,013,917,783,479.14/1,941,158.06 - Step 6: Final answer
x = 1,552,639.04
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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.