Finding the Fourth Proportional to 5,828,955.68, 8,043,943.20 and 3,250,639.28
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Solution
The fourth proportional to 5,828,955.68, 8,043,943.20 and 3,250,639.28 is: 4,485,873.49
Step by Step Solution
- Step 1: Write the proportion equation
5,828,955.68 : 8,043,943.20 = 3,250,639.28 : x - Step 2: Convert to fraction form
5,828,955.68/8,043,943.20 = 3,250,639.28/x - Step 3: Cross multiply
5,828,955.68x = 8,043,943.20 × 3,250,639.28 - Step 4: Simplify right side
5,828,955.68x = 26,147,957,732,008.89 - Step 5: Solve for x
x = 26,147,957,732,008.89/5,828,955.68 - Step 6: Final answer
x = 4,485,873.49
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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.