Finding the Fourth Proportional to 4,198,102.71, 6,296,850.36 and 1,320,292.74
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Solution
The fourth proportional to 4,198,102.71, 6,296,850.36 and 1,320,292.74 is: 1,980,343.60
Step by Step Solution
- Step 1: Write the proportion equation
4,198,102.71 : 6,296,850.36 = 1,320,292.74 : x - Step 2: Convert to fraction form
4,198,102.71/6,296,850.36 = 1,320,292.74/x - Step 3: Cross multiply
4,198,102.71x = 6,296,850.36 × 1,320,292.74 - Step 4: Simplify right side
4,198,102.71x = 8,313,685,838,787.58 - Step 5: Solve for x
x = 8,313,685,838,787.58/4,198,102.71 - Step 6: Final answer
x = 1,980,343.60
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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.