Finding the Fourth Proportional to 5,221,146.35, 7,832,138.16 and 1,984,234.73
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Solution
The fourth proportional to 5,221,146.35, 7,832,138.16 and 1,984,234.73 is: 2,976,511.19
Step by Step Solution
- Step 1: Write the proportion equation
5,221,146.35 : 7,832,138.16 = 1,984,234.73 : x - Step 2: Convert to fraction form
5,221,146.35/7,832,138.16 = 1,984,234.73/x - Step 3: Cross multiply
5,221,146.35x = 7,832,138.16 × 1,984,234.73 - Step 4: Simplify right side
5,221,146.35x = 15,540,800,515,510.49 - Step 5: Solve for x
x = 15,540,800,515,510.49/5,221,146.35 - Step 6: Final answer
x = 2,976,511.19
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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.