Finding the Fourth Proportional to 6,397,657.14, 8,828,766.18 and 3,497,059.56
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Solution
The fourth proportional to 6,397,657.14, 8,828,766.18 and 3,497,059.56 is: 4,825,941.82
Step by Step Solution
- Step 1: Write the proportion equation
6,397,657.14 : 8,828,766.18 = 3,497,059.56 : x - Step 2: Convert to fraction form
6,397,657.14/8,828,766.18 = 3,497,059.56/x - Step 3: Cross multiply
6,397,657.14x = 8,828,766.18 × 3,497,059.56 - Step 4: Simplify right side
6,397,657.14x = 30,874,721,172,773.68 - Step 5: Solve for x
x = 30,874,721,172,773.68/6,397,657.14 - Step 6: Final answer
x = 4,825,941.82
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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.