Finding the Fourth Proportional to 4,893,874.20, 7,340,811.30 and 3,618,415.80
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Solution
The fourth proportional to 4,893,874.20, 7,340,811.30 and 3,618,415.80 is: 5,427,623.70
Step by Step Solution
- Step 1: Write the proportion equation
4,893,874.20 : 7,340,811.30 = 3,618,415.80 : x - Step 2: Convert to fraction form
4,893,874.20/7,340,811.30 = 3,618,415.80/x - Step 3: Cross multiply
4,893,874.20x = 7,340,811.30 × 3,618,415.80 - Step 4: Simplify right side
4,893,874.20x = 26,562,107,592,738.54 - Step 5: Solve for x
x = 26,562,107,592,738.54/4,893,874.20 - Step 6: Final answer
x = 5,427,623.70
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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.