Finding the Fourth Proportional to 4,885,695.20, 7,328,542.80 and 4,094,438.60
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Solution
The fourth proportional to 4,885,695.20, 7,328,542.80 and 4,094,438.60 is: 6,141,657.90
Step by Step Solution
- Step 1: Write the proportion equation
4,885,695.20 : 7,328,542.80 = 4,094,438.60 : x - Step 2: Convert to fraction form
4,885,695.20/7,328,542.80 = 4,094,438.60/x - Step 3: Cross multiply
4,885,695.20x = 7,328,542.80 × 4,094,438.60 - Step 4: Simplify right side
4,885,695.20x = 30,006,268,522,072.08 - Step 5: Solve for x
x = 30,006,268,522,072.08/4,885,695.20 - Step 6: Final answer
x = 6,141,657.90
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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.