Finding the Fourth Proportional to 1,358,141.90, 2,037,213.23 and 505,102.09
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Solution
The fourth proportional to 1,358,141.90, 2,037,213.23 and 505,102.09 is: 757,653.28
Step by Step Solution
- Step 1: Write the proportion equation
1,358,141.90 : 2,037,213.23 = 505,102.09 : x - Step 2: Convert to fraction form
1,358,141.90/2,037,213.23 = 505,102.09/x - Step 3: Cross multiply
1,358,141.90x = 2,037,213.23 × 505,102.09 - Step 4: Simplify right side
1,358,141.90x = 1,029,000,664,078.93 - Step 5: Solve for x
x = 1,029,000,664,078.93/1,358,141.90 - Step 6: Final answer
x = 757,653.28
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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.