Finding the Fourth Proportional to 3,616,057.70, 5,423,754.38 and 1,219,923.09
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Solution
The fourth proportional to 3,616,057.70, 5,423,754.38 and 1,219,923.09 is: 1,829,772.57
Step by Step Solution
- Step 1: Write the proportion equation
3,616,057.70 : 5,423,754.38 = 1,219,923.09 : x - Step 2: Convert to fraction form
3,616,057.70/5,423,754.38 = 1,219,923.09/x - Step 3: Cross multiply
3,616,057.70x = 5,423,754.38 × 1,219,923.09 - Step 4: Simplify right side
3,616,057.70x = 6,616,563,180,786.65 - Step 5: Solve for x
x = 6,616,563,180,786.65/3,616,057.70 - Step 6: Final answer
x = 1,829,772.57
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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.