Finding the Fourth Proportional to 1,658,163.39, 2,487,245.09 and 460,085.91
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Solution
The fourth proportional to 1,658,163.39, 2,487,245.09 and 460,085.91 is: 690,128.87
Step by Step Solution
- Step 1: Write the proportion equation
1,658,163.39 : 2,487,245.09 = 460,085.91 : x - Step 2: Convert to fraction form
1,658,163.39/2,487,245.09 = 460,085.91/x - Step 3: Cross multiply
1,658,163.39x = 2,487,245.09 × 460,085.91 - Step 4: Simplify right side
1,658,163.39x = 1,144,346,418,325.25 - Step 5: Solve for x
x = 1,144,346,418,325.25/1,658,163.39 - Step 6: Final answer
x = 690,128.87
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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.