Finding the Fourth Proportional to 3,566,245.20, 4,921,418.38 and 2,038,385.14
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Solution
The fourth proportional to 3,566,245.20, 4,921,418.38 and 2,038,385.14 is: 2,812,971.50
Step by Step Solution
- Step 1: Write the proportion equation
3,566,245.20 : 4,921,418.38 = 2,038,385.14 : x - Step 2: Convert to fraction form
3,566,245.20/4,921,418.38 = 2,038,385.14/x - Step 3: Cross multiply
3,566,245.20x = 4,921,418.38 × 2,038,385.14 - Step 4: Simplify right side
3,566,245.20x = 10,031,746,093,514.87 - Step 5: Solve for x
x = 10,031,746,093,514.87/3,566,245.20 - Step 6: Final answer
x = 2,812,971.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.