Finding the Fourth Proportional to 1,418,235.88, 1,957,481.10 and 901,885.12
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Solution
The fourth proportional to 1,418,235.88, 1,957,481.10 and 901,885.12 is: 1,244,802.15
Step by Step Solution
- Step 1: Write the proportion equation
1,418,235.88 : 1,957,481.10 = 901,885.12 : x - Step 2: Convert to fraction form
1,418,235.88/1,957,481.10 = 901,885.12/x - Step 3: Cross multiply
1,418,235.88x = 1,957,481.10 × 901,885.12 - Step 4: Simplify right side
1,418,235.88x = 1,765,423,076,771.23 - Step 5: Solve for x
x = 1,765,423,076,771.23/1,418,235.88 - Step 6: Final answer
x = 1,244,802.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.