Finding the Fourth Proportional to 3,166,863.48, 4,749,566.68 and 1,887,832.07
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Solution
The fourth proportional to 3,166,863.48, 4,749,566.68 and 1,887,832.07 is: 2,831,313.80
Step by Step Solution
- Step 1: Write the proportion equation
3,166,863.48 : 4,749,566.68 = 1,887,832.07 : x - Step 2: Convert to fraction form
3,166,863.48/4,749,566.68 = 1,887,832.07/x - Step 3: Cross multiply
3,166,863.48x = 4,749,566.68 × 1,887,832.07 - Step 4: Simplify right side
3,166,863.48x = 8,966,384,282,911.21 - Step 5: Solve for x
x = 8,966,384,282,911.21/3,166,863.48 - Step 6: Final answer
x = 2,831,313.80
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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.