Finding the Fourth Proportional to 1,699,213.44, 2,343,720.69 and 1,118,251.47
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Solution
The fourth proportional to 1,699,213.44, 2,343,720.69 and 1,118,251.47 is: 1,542,401.35
Step by Step Solution
- Step 1: Write the proportion equation
1,699,213.44 : 2,343,720.69 = 1,118,251.47 : x - Step 2: Convert to fraction form
1,699,213.44/2,343,720.69 = 1,118,251.47/x - Step 3: Cross multiply
1,699,213.44x = 2,343,720.69 × 1,118,251.47 - Step 4: Simplify right side
1,699,213.44x = 2,620,869,106,861.91 - Step 5: Solve for x
x = 2,620,869,106,861.91/1,699,213.44 - Step 6: Final answer
x = 1,542,401.35
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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.