Finding the Fourth Proportional to 4,985,049.49, 6,879,387.11 and 3,150,323.15
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Solution
The fourth proportional to 4,985,049.49, 6,879,387.11 and 3,150,323.15 is: 4,347,457.83
Step by Step Solution
- Step 1: Write the proportion equation
4,985,049.49 : 6,879,387.11 = 3,150,323.15 : x - Step 2: Convert to fraction form
4,985,049.49/6,879,387.11 = 3,150,323.15/x - Step 3: Cross multiply
4,985,049.49x = 6,879,387.11 × 3,150,323.15 - Step 4: Simplify right side
4,985,049.49x = 21,672,292,420,296.05 - Step 5: Solve for x
x = 21,672,292,420,296.05/4,985,049.49 - Step 6: Final answer
x = 4,347,457.83
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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.