Finding the Fourth Proportional to 1,364,815.62, 2,047,149.59 and 418,189.08
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Solution
The fourth proportional to 1,364,815.62, 2,047,149.59 and 418,189.08 is: 627,260.99
Step by Step Solution
- Step 1: Write the proportion equation
1,364,815.62 : 2,047,149.59 = 418,189.08 : x - Step 2: Convert to fraction form
1,364,815.62/2,047,149.59 = 418,189.08/x - Step 3: Cross multiply
1,364,815.62x = 2,047,149.59 × 418,189.08 - Step 4: Simplify right side
1,364,815.62x = 856,095,601,573.53 - Step 5: Solve for x
x = 856,095,601,573.53/1,364,815.62 - Step 6: Final answer
x = 627,260.99
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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.