Finding the Fourth Proportional to 3,746,320.12, 5,169,921.42 and 2,027,440.99
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Solution
The fourth proportional to 3,746,320.12, 5,169,921.42 and 2,027,440.99 is: 2,797,868.38
Step by Step Solution
- Step 1: Write the proportion equation
3,746,320.12 : 5,169,921.42 = 2,027,440.99 : x - Step 2: Convert to fraction form
3,746,320.12/5,169,921.42 = 2,027,440.99/x - Step 3: Cross multiply
3,746,320.12x = 5,169,921.42 × 2,027,440.99 - Step 4: Simplify right side
3,746,320.12x = 10,481,710,601,987.01 - Step 5: Solve for x
x = 10,481,710,601,987.01/3,746,320.12 - Step 6: Final answer
x = 2,797,868.38
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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.