Finding the Fourth Proportional to 4,261,981.79, 6,393,028.08 and 1,422,093.94
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Solution
The fourth proportional to 4,261,981.79, 6,393,028.08 and 1,422,093.94 is: 2,133,159.39
Step by Step Solution
- Step 1: Write the proportion equation
4,261,981.79 : 6,393,028.08 = 1,422,093.94 : x - Step 2: Convert to fraction form
4,261,981.79/6,393,028.08 = 1,422,093.94/x - Step 3: Cross multiply
4,261,981.79x = 6,393,028.08 × 1,422,093.94 - Step 4: Simplify right side
4,261,981.79x = 9,091,486,474,835.27 - Step 5: Solve for x
x = 9,091,486,474,835.27/4,261,981.79 - Step 6: Final answer
x = 2,133,159.39
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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.