Finding the Fourth Proportional to 3,758,330.17, 5,186,509.79 and 2,039,450.84
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Solution
The fourth proportional to 3,758,330.17, 5,186,509.79 and 2,039,450.84 is: 2,814,449.84
Step by Step Solution
- Step 1: Write the proportion equation
3,758,330.17 : 5,186,509.79 = 2,039,450.84 : x - Step 2: Convert to fraction form
3,758,330.17/5,186,509.79 = 2,039,450.84/x - Step 3: Cross multiply
3,758,330.17x = 5,186,509.79 × 2,039,450.84 - Step 4: Simplify right side
3,758,330.17x = 10,577,631,731,203.33 - Step 5: Solve for x
x = 10,577,631,731,203.33/3,758,330.17 - Step 6: Final answer
x = 2,814,449.84
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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.