Finding the Fourth Proportional to 4,117,812.90, 6,177,697.74 and 1,422,160.44
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Solution
The fourth proportional to 4,117,812.90, 6,177,697.74 and 1,422,160.44 is: 2,133,578.56
Step by Step Solution
- Step 1: Write the proportion equation
4,117,812.90 : 6,177,697.74 = 1,422,160.44 : x - Step 2: Convert to fraction form
4,117,812.90/6,177,697.74 = 1,422,160.44/x - Step 3: Cross multiply
4,117,812.90x = 6,177,697.74 × 1,422,160.44 - Step 4: Simplify right side
4,117,812.90x = 8,785,677,336,105.41 - Step 5: Solve for x
x = 8,785,677,336,105.41/4,117,812.90 - Step 6: Final answer
x = 2,133,578.56
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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.