Finding the Fourth Proportional to 2,638,135.62, 3,957,490.17 and 840,596.58
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Solution
The fourth proportional to 2,638,135.62, 3,957,490.17 and 840,596.58 is: 1,260,986.23
Step by Step Solution
- Step 1: Write the proportion equation
2,638,135.62 : 3,957,490.17 = 840,596.58 : x - Step 2: Convert to fraction form
2,638,135.62/3,957,490.17 = 840,596.58/x - Step 3: Cross multiply
2,638,135.62x = 3,957,490.17 × 840,596.58 - Step 4: Simplify right side
2,638,135.62x = 3,326,652,702,285.62 - Step 5: Solve for x
x = 3,326,652,702,285.62/2,638,135.62 - Step 6: Final answer
x = 1,260,986.23
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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.