Finding the Fourth Proportional to 3,675,013.91, 5,512,161.67 and 1,116,251.07
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Solution
The fourth proportional to 3,675,013.91, 5,512,161.67 and 1,116,251.07 is: 1,674,267.51
Step by Step Solution
- Step 1: Write the proportion equation
3,675,013.91 : 5,512,161.67 = 1,116,251.07 : x - Step 2: Convert to fraction form
3,675,013.91/5,512,161.67 = 1,116,251.07/x - Step 3: Cross multiply
3,675,013.91x = 5,512,161.67 × 1,116,251.07 - Step 4: Simplify right side
3,675,013.91x = 6,152,956,388,753.67 - Step 5: Solve for x
x = 6,152,956,388,753.67/3,675,013.91 - Step 6: Final answer
x = 1,674,267.51
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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.