Finding the Fourth Proportional to 1,341,625.78, 2,012,438.67 and 919,622.26
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Solution
The fourth proportional to 1,341,625.78, 2,012,438.67 and 919,622.26 is: 1,379,433.39
Step by Step Solution
- Step 1: Write the proportion equation
1,341,625.78 : 2,012,438.67 = 919,622.26 : x - Step 2: Convert to fraction form
1,341,625.78/2,012,438.67 = 919,622.26/x - Step 3: Cross multiply
1,341,625.78x = 2,012,438.67 × 919,622.26 - Step 4: Simplify right side
1,341,625.78x = 1,850,683,397,816.79 - Step 5: Solve for x
x = 1,850,683,397,816.79/1,341,625.78 - Step 6: Final answer
x = 1,379,433.39
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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.