Finding the Fourth Proportional to 4,220,313.99, 6,330,478.91 and 1,025,442.87
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Solution
The fourth proportional to 4,220,313.99, 6,330,478.91 and 1,025,442.87 is: 1,538,166.23
Step by Step Solution
- Step 1: Write the proportion equation
4,220,313.99 : 6,330,478.91 = 1,025,442.87 : x - Step 2: Convert to fraction form
4,220,313.99/6,330,478.91 = 1,025,442.87/x - Step 3: Cross multiply
4,220,313.99x = 6,330,478.91 × 1,025,442.87 - Step 4: Simplify right side
4,220,313.99x = 6,491,544,456,817.66 - Step 5: Solve for x
x = 6,491,544,456,817.66/4,220,313.99 - Step 6: Final answer
x = 1,538,166.23
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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.