Finding the Fourth Proportional to 3,218,001.21, 4,439,571.93 and 2,072,746.26
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Solution
The fourth proportional to 3,218,001.21, 4,439,571.93 and 2,072,746.26 is: 2,859,571.99
Step by Step Solution
- Step 1: Write the proportion equation
3,218,001.21 : 4,439,571.93 = 2,072,746.26 : x - Step 2: Convert to fraction form
3,218,001.21/4,439,571.93 = 2,072,746.26/x - Step 3: Cross multiply
3,218,001.21x = 4,439,571.93 × 2,072,746.26 - Step 4: Simplify right side
3,218,001.21x = 9,202,106,113,908.48 - Step 5: Solve for x
x = 9,202,106,113,908.48/3,218,001.21 - Step 6: Final answer
x = 2,859,571.99
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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.