Finding the Fourth Proportional to 5,169,572.74, 7,755,941.67 and 2,647,012.42
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Solution
The fourth proportional to 5,169,572.74, 7,755,941.67 and 2,647,012.42 is: 3,971,328.96
Step by Step Solution
- Step 1: Write the proportion equation
5,169,572.74 : 7,755,941.67 = 2,647,012.42 : x - Step 2: Convert to fraction form
5,169,572.74/7,755,941.67 = 2,647,012.42/x - Step 3: Cross multiply
5,169,572.74x = 7,755,941.67 × 2,647,012.42 - Step 4: Simplify right side
5,169,572.74x = 20,530,073,929,285.54 - Step 5: Solve for x
x = 20,530,073,929,285.54/5,169,572.74 - Step 6: Final answer
x = 3,971,328.96
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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.