Finding the Fourth Proportional to 1,395,630.07, 2,092,115.49 and 448,335.88
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Solution
The fourth proportional to 1,395,630.07, 2,092,115.49 and 448,335.88 is: 672,076.69
Step by Step Solution
- Step 1: Write the proportion equation
1,395,630.07 : 2,092,115.49 = 448,335.88 : x - Step 2: Convert to fraction form
1,395,630.07/2,092,115.49 = 448,335.88/x - Step 3: Cross multiply
1,395,630.07x = 2,092,115.49 × 448,335.88 - Step 4: Simplify right side
1,395,630.07x = 937,970,439,270.78 - Step 5: Solve for x
x = 937,970,439,270.78/1,395,630.07 - Step 6: Final answer
x = 672,076.69
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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.