Finding the Fourth Proportional to 5,491,913.34, 8,239,242.06 and 3,875,837.58
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Solution
The fourth proportional to 5,491,913.34, 8,239,242.06 and 3,875,837.58 is: 5,814,724.67
Step by Step Solution
- Step 1: Write the proportion equation
5,491,913.34 : 8,239,242.06 = 3,875,837.58 : x - Step 2: Convert to fraction form
5,491,913.34/8,239,242.06 = 3,875,837.58/x - Step 3: Cross multiply
5,491,913.34x = 8,239,242.06 × 3,875,837.58 - Step 4: Simplify right side
5,491,913.34x = 31,933,964,006,864.61 - Step 5: Solve for x
x = 31,933,964,006,864.61/5,491,913.34 - Step 6: Final answer
x = 5,814,724.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.