Finding the Fourth Proportional to 2,273,704.29, 3,137,705.51 and 1,255,101.75
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Solution
The fourth proportional to 2,273,704.29, 3,137,705.51 and 1,255,101.75 is: 1,732,036.87
Step by Step Solution
- Step 1: Write the proportion equation
2,273,704.29 : 3,137,705.51 = 1,255,101.75 : x - Step 2: Convert to fraction form
2,273,704.29/3,137,705.51 = 1,255,101.75/x - Step 3: Cross multiply
2,273,704.29x = 3,137,705.51 × 1,255,101.75 - Step 4: Simplify right side
2,273,704.29x = 3,938,139,670,310.13 - Step 5: Solve for x
x = 3,938,139,670,310.13/2,273,704.29 - Step 6: Final answer
x = 1,732,036.87
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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.