Finding the Fourth Proportional to 6,907,586.70, 10,361,380.05 and 4,375,721.10
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Solution
The fourth proportional to 6,907,586.70, 10,361,380.05 and 4,375,721.10 is: 6,563,581.65
Step by Step Solution
- Step 1: Write the proportion equation
6,907,586.70 : 10,361,380.05 = 4,375,721.10 : x - Step 2: Convert to fraction form
6,907,586.70/10,361,380.05 = 4,375,721.10/x - Step 3: Cross multiply
6,907,586.70x = 10,361,380.05 × 4,375,721.10 - Step 4: Simplify right side
6,907,586.70x = 45,338,509,309,904.05 - Step 5: Solve for x
x = 45,338,509,309,904.05/6,907,586.70 - Step 6: Final answer
x = 6,563,581.65
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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.