Finding the Fourth Proportional to 6,331,349.28, 8,737,231.50 and 3,430,738.56
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Solution
The fourth proportional to 6,331,349.28, 8,737,231.50 and 3,430,738.56 is: 4,734,402.68
Step by Step Solution
- Step 1: Write the proportion equation
6,331,349.28 : 8,737,231.50 = 3,430,738.56 : x - Step 2: Convert to fraction form
6,331,349.28/8,737,231.50 = 3,430,738.56/x - Step 3: Cross multiply
6,331,349.28x = 8,737,231.50 × 3,430,738.56 - Step 4: Simplify right side
6,331,349.28x = 29,975,157,014,696.64 - Step 5: Solve for x
x = 29,975,157,014,696.64/6,331,349.28 - Step 6: Final answer
x = 4,734,402.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.