Finding the Fourth Proportional to 2,672,771.66, 3,688,413.26 and 1,449,073.40
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Solution
The fourth proportional to 2,672,771.66, 3,688,413.26 and 1,449,073.40 is: 1,999,714.98
Step by Step Solution
- Step 1: Write the proportion equation
2,672,771.66 : 3,688,413.26 = 1,449,073.40 : x - Step 2: Convert to fraction form
2,672,771.66/3,688,413.26 = 1,449,073.40/x - Step 3: Cross multiply
2,672,771.66x = 3,688,413.26 × 1,449,073.40 - Step 4: Simplify right side
2,672,771.66x = 5,344,781,524,718.05 - Step 5: Solve for x
x = 5,344,781,524,718.05/2,672,771.66 - Step 6: Final answer
x = 1,999,714.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.