Finding the Fourth Proportional to 3,705,512.58, 5,554,415.31 and 1,432,598.12
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Solution
The fourth proportional to 3,705,512.58, 5,554,415.31 and 1,432,598.12 is: 2,147,407.34
Step by Step Solution
- Step 1: Write the proportion equation
3,705,512.58 : 5,554,415.31 = 1,432,598.12 : x - Step 2: Convert to fraction form
3,705,512.58/5,554,415.31 = 1,432,598.12/x - Step 3: Cross multiply
3,705,512.58x = 5,554,415.31 × 1,432,598.12 - Step 4: Simplify right side
3,705,512.58x = 7,957,244,930,805.22 - Step 5: Solve for x
x = 7,957,244,930,805.22/3,705,512.58 - Step 6: Final answer
x = 2,147,407.34
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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.