Finding the Fourth Proportional to 3,739,674.14, 5,159,871.28 and 2,269,550.07
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Solution
The fourth proportional to 3,739,674.14, 5,159,871.28 and 2,269,550.07 is: 3,131,445.63
Step by Step Solution
- Step 1: Write the proportion equation
3,739,674.14 : 5,159,871.28 = 2,269,550.07 : x - Step 2: Convert to fraction form
3,739,674.14/5,159,871.28 = 2,269,550.07/x - Step 3: Cross multiply
3,739,674.14x = 5,159,871.28 × 2,269,550.07 - Step 4: Simplify right side
3,739,674.14x = 11,710,586,254,108.01 - Step 5: Solve for x
x = 11,710,586,254,108.01/3,739,674.14 - Step 6: Final answer
x = 3,131,445.63
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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.