Finding the Fourth Proportional to 6,120,838.85, 9,181,772.24 and 1,861,043.99
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Solution
The fourth proportional to 6,120,838.85, 9,181,772.24 and 1,861,043.99 is: 2,791,722.25
Step by Step Solution
- Step 1: Write the proportion equation
6,120,838.85 : 9,181,772.24 = 1,861,043.99 : x - Step 2: Convert to fraction form
6,120,838.85/9,181,772.24 = 1,861,043.99/x - Step 3: Cross multiply
6,120,838.85x = 9,181,772.24 × 1,861,043.99 - Step 4: Simplify right side
6,120,838.85x = 17,087,681,989,586.76 - Step 5: Solve for x
x = 17,087,681,989,586.76/6,120,838.85 - Step 6: Final answer
x = 2,791,722.25
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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.