Finding the Fourth Proportional to 1,440,348.42, 1,987,701.68 and 795,783.44
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Solution
The fourth proportional to 1,440,348.42, 1,987,701.68 and 795,783.44 is: 1,098,192.67
Step by Step Solution
- Step 1: Write the proportion equation
1,440,348.42 : 1,987,701.68 = 795,783.44 : x - Step 2: Convert to fraction form
1,440,348.42/1,987,701.68 = 795,783.44/x - Step 3: Cross multiply
1,440,348.42x = 1,987,701.68 × 795,783.44 - Step 4: Simplify right side
1,440,348.42x = 1,581,780,080,604.18 - Step 5: Solve for x
x = 1,581,780,080,604.18/1,440,348.42 - Step 6: Final answer
x = 1,098,192.67
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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.