Finding the Fourth Proportional to 3,320,751.30, 4,981,126.95 and 3,021,569.70
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Solution
The fourth proportional to 3,320,751.30, 4,981,126.95 and 3,021,569.70 is: 4,532,354.55
Step by Step Solution
- Step 1: Write the proportion equation
3,320,751.30 : 4,981,126.95 = 3,021,569.70 : x - Step 2: Convert to fraction form
3,320,751.30/4,981,126.95 = 3,021,569.70/x - Step 3: Cross multiply
3,320,751.30x = 4,981,126.95 × 3,021,569.70 - Step 4: Simplify right side
3,320,751.30x = 15,050,822,263,973.42 - Step 5: Solve for x
x = 15,050,822,263,973.42/3,320,751.30 - Step 6: Final answer
x = 4,532,354.55
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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.