Finding the Fourth Proportional to 5,689,509.49, 8,536,414.32 and 3,416,618.48
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Solution
The fourth proportional to 5,689,509.49, 8,536,414.32 and 3,416,618.48 is: 5,126,218.87
Step by Step Solution
- Step 1: Write the proportion equation
5,689,509.49 : 8,536,414.32 = 3,416,618.48 : x - Step 2: Convert to fraction form
5,689,509.49/8,536,414.32 = 3,416,618.48/x - Step 3: Cross multiply
5,689,509.49x = 8,536,414.32 × 3,416,618.48 - Step 4: Simplify right side
5,689,509.49x = 29,165,670,909,584.46 - Step 5: Solve for x
x = 29,165,670,909,584.46/5,689,509.49 - Step 6: Final answer
x = 5,126,218.87
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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.