Finding the Fourth Proportional to 6,330,940.41, 8,736,671.19 and 3,430,342.82
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Solution
The fourth proportional to 6,330,940.41, 8,736,671.19 and 3,430,342.82 is: 4,733,858.69
Step by Step Solution
- Step 1: Write the proportion equation
6,330,940.41 : 8,736,671.19 = 3,430,342.82 : x - Step 2: Convert to fraction form
6,330,940.41/8,736,671.19 = 3,430,342.82/x - Step 3: Cross multiply
6,330,940.41x = 8,736,671.19 × 3,430,342.82 - Step 4: Simplify right side
6,330,940.41x = 29,969,777,289,260.30 - Step 5: Solve for x
x = 29,969,777,289,260.30/6,330,940.41 - Step 6: Final answer
x = 4,733,858.69
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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.