Finding the Fourth Proportional to 3,553,138.70, 5,328,152.85 and 1,422,514.70
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Solution
The fourth proportional to 3,553,138.70, 5,328,152.85 and 1,422,514.70 is: 2,133,149.42
Step by Step Solution
- Step 1: Write the proportion equation
3,553,138.70 : 5,328,152.85 = 1,422,514.70 : x - Step 2: Convert to fraction form
3,553,138.70/5,328,152.85 = 1,422,514.70/x - Step 3: Cross multiply
3,553,138.70x = 5,328,152.85 × 1,422,514.70 - Step 4: Simplify right side
3,553,138.70x = 7,579,375,752,971.90 - Step 5: Solve for x
x = 7,579,375,752,971.90/3,553,138.70 - Step 6: Final answer
x = 2,133,149.42
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.