Finding the Fourth Proportional to 5,696,884.01, 7,861,201.06 and 3,215,967.95
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Solution
The fourth proportional to 5,696,884.01, 7,861,201.06 and 3,215,967.95 is: 4,437,754.15
Step by Step Solution
- Step 1: Write the proportion equation
5,696,884.01 : 7,861,201.06 = 3,215,967.95 : x - Step 2: Convert to fraction form
5,696,884.01/7,861,201.06 = 3,215,967.95/x - Step 3: Cross multiply
5,696,884.01x = 7,861,201.06 × 3,215,967.95 - Step 4: Simplify right side
5,696,884.01x = 25,281,370,667,321.80 - Step 5: Solve for x
x = 25,281,370,667,321.80/5,696,884.01 - Step 6: Final answer
x = 4,437,754.15
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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.