Finding the Fourth Proportional to 3,774,247.40, 5,656,647.12 and 2,972,361.92
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Solution
The fourth proportional to 3,774,247.40, 5,656,647.12 and 2,972,361.92 is: 4,454,822.57
Step by Step Solution
- Step 1: Write the proportion equation
3,774,247.40 : 5,656,647.12 = 2,972,361.92 : x - Step 2: Convert to fraction form
3,774,247.40/5,656,647.12 = 2,972,361.92/x - Step 3: Cross multiply
3,774,247.40x = 5,656,647.12 × 2,972,361.92 - Step 4: Simplify right side
3,774,247.40x = 16,813,602,494,365.67 - Step 5: Solve for x
x = 16,813,602,494,365.67/3,774,247.40 - Step 6: Final answer
x = 4,454,822.57
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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.