Finding the Fourth Proportional to 3,348,812.21, 5,020,269.18 and 1,328,474.97
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Solution
The fourth proportional to 3,348,812.21, 5,020,269.18 and 1,328,474.97 is: 1,991,542.54
Step by Step Solution
- Step 1: Write the proportion equation
3,348,812.21 : 5,020,269.18 = 1,328,474.97 : x - Step 2: Convert to fraction form
3,348,812.21/5,020,269.18 = 1,328,474.97/x - Step 3: Cross multiply
3,348,812.21x = 5,020,269.18 × 1,328,474.97 - Step 4: Simplify right side
3,348,812.21x = 6,669,301,948,292.42 - Step 5: Solve for x
x = 6,669,301,948,292.42/3,348,812.21 - Step 6: Final answer
x = 1,991,542.54
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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.