Finding the Fourth Proportional to 1,725,193.42, 2,587,789.79 and 463,021.05
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Solution
The fourth proportional to 1,725,193.42, 2,587,789.79 and 463,021.05 is: 694,531.48
Step by Step Solution
- Step 1: Write the proportion equation
1,725,193.42 : 2,587,789.79 = 463,021.05 : x - Step 2: Convert to fraction form
1,725,193.42/2,587,789.79 = 463,021.05/x - Step 3: Cross multiply
1,725,193.42x = 2,587,789.79 × 463,021.05 - Step 4: Simplify right side
1,725,193.42x = 1,198,201,137,651.79 - Step 5: Solve for x
x = 1,198,201,137,651.79/1,725,193.42 - Step 6: Final answer
x = 694,531.48
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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.