Finding the Fourth Proportional to 1,577,638.88, 2,366,458.36 and 1,440,781.28
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Solution
The fourth proportional to 1,577,638.88, 2,366,458.36 and 1,440,781.28 is: 2,161,171.96
Step by Step Solution
- Step 1: Write the proportion equation
1,577,638.88 : 2,366,458.36 = 1,440,781.28 : x - Step 2: Convert to fraction form
1,577,638.88/2,366,458.36 = 1,440,781.28/x - Step 3: Cross multiply
1,577,638.88x = 2,366,458.36 × 1,440,781.28 - Step 4: Simplify right side
1,577,638.88x = 3,409,548,904,987.50 - Step 5: Solve for x
x = 3,409,548,904,987.50/1,577,638.88 - Step 6: Final answer
x = 2,161,171.96
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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.