Finding the Fourth Proportional to 2,758,862.70, 4,138,245.72 and 1,241,471.70
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Solution
The fourth proportional to 2,758,862.70, 4,138,245.72 and 1,241,471.70 is: 1,862,185.80
Step by Step Solution
- Step 1: Write the proportion equation
2,758,862.70 : 4,138,245.72 = 1,241,471.70 : x - Step 2: Convert to fraction form
2,758,862.70/4,138,245.72 = 1,241,471.70/x - Step 3: Cross multiply
2,758,862.70x = 4,138,245.72 × 1,241,471.70 - Step 4: Simplify right side
2,758,862.70x = 5,137,514,949,026.12 - Step 5: Solve for x
x = 5,137,514,949,026.12/2,758,862.70 - Step 6: Final answer
x = 1,862,185.80
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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.