Finding the Fourth Proportional to 4,856,485.59, 6,701,774.09 and 2,680,981.92
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Solution
The fourth proportional to 4,856,485.59, 6,701,774.09 and 2,680,981.92 is: 3,699,657.87
Step by Step Solution
- Step 1: Write the proportion equation
4,856,485.59 : 6,701,774.09 = 2,680,981.92 : x - Step 2: Convert to fraction form
4,856,485.59/6,701,774.09 = 2,680,981.92/x - Step 3: Cross multiply
4,856,485.59x = 6,701,774.09 × 2,680,981.92 - Step 4: Simplify right side
4,856,485.59x = 17,967,335,153,809.54 - Step 5: Solve for x
x = 17,967,335,153,809.54/4,856,485.59 - Step 6: Final answer
x = 3,699,657.87
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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.