Finding the Fourth Proportional to 4,925,489.70, 7,388,234.55 and 4,447,192.80
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Solution
The fourth proportional to 4,925,489.70, 7,388,234.55 and 4,447,192.80 is: 6,670,789.20
Step by Step Solution
- Step 1: Write the proportion equation
4,925,489.70 : 7,388,234.55 = 4,447,192.80 : x - Step 2: Convert to fraction form
4,925,489.70/7,388,234.55 = 4,447,192.80/x - Step 3: Cross multiply
4,925,489.70x = 7,388,234.55 × 4,447,192.80 - Step 4: Simplify right side
4,925,489.70x = 32,856,903,495,471.24 - Step 5: Solve for x
x = 32,856,903,495,471.24/4,925,489.70 - Step 6: Final answer
x = 6,670,789.20
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1.5x scale
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.