Finding the Fourth Proportional to 1,389,350.24, 2,083,733.75 and 391,844.96
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Solution
The fourth proportional to 1,389,350.24, 2,083,733.75 and 391,844.96 is: 587,685.19
Step by Step Solution
- Step 1: Write the proportion equation
1,389,350.24 : 2,083,733.75 = 391,844.96 : x - Step 2: Convert to fraction form
1,389,350.24/2,083,733.75 = 391,844.96/x - Step 3: Cross multiply
1,389,350.24x = 2,083,733.75 × 391,844.96 - Step 4: Simplify right side
1,389,350.24x = 816,500,555,541.51 - Step 5: Solve for x
x = 816,500,555,541.51/1,389,350.24 - Step 6: Final answer
x = 587,685.19
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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.