Finding the Fourth Proportional to 6,146,569.40, 8,482,042.94 and 3,393,197.55
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Solution
The fourth proportional to 6,146,569.40, 8,482,042.94 and 3,393,197.55 is: 4,682,489.61
Step by Step Solution
- Step 1: Write the proportion equation
6,146,569.40 : 8,482,042.94 = 3,393,197.55 : x - Step 2: Convert to fraction form
6,146,569.40/8,482,042.94 = 3,393,197.55/x - Step 3: Cross multiply
6,146,569.40x = 8,482,042.94 × 3,393,197.55 - Step 4: Simplify right side
6,146,569.40x = 28,781,247,306,036.81 - Step 5: Solve for x
x = 28,781,247,306,036.81/6,146,569.40 - Step 6: Final answer
x = 4,682,489.61
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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.