Finding the Fourth Proportional to 3,828,458.54, 5,737,274.99 and 2,123,353.06
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Solution
The fourth proportional to 3,828,458.54, 5,737,274.99 and 2,123,353.06 is: 3,182,027.50
Step by Step Solution
- Step 1: Write the proportion equation
3,828,458.54 : 5,737,274.99 = 2,123,353.06 : x - Step 2: Convert to fraction form
3,828,458.54/5,737,274.99 = 2,123,353.06/x - Step 3: Cross multiply
3,828,458.54x = 5,737,274.99 × 2,123,353.06 - Step 4: Simplify right side
3,828,458.54x = 12,182,260,366,774.83 - Step 5: Solve for x
x = 12,182,260,366,774.83/3,828,458.54 - Step 6: Final answer
x = 3,182,027.50
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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.