Finding the Fourth Proportional to 1,548,354.79, 2,136,674.78 and 869,319.91
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Solution
The fourth proportional to 1,548,354.79, 2,136,674.78 and 869,319.91 is: 1,199,630.69
Step by Step Solution
- Step 1: Write the proportion equation
1,548,354.79 : 2,136,674.78 = 869,319.91 : x - Step 2: Convert to fraction form
1,548,354.79/2,136,674.78 = 869,319.91/x - Step 3: Cross multiply
1,548,354.79x = 2,136,674.78 × 869,319.91 - Step 4: Simplify right side
1,548,354.79x = 1,857,453,923,102.27 - Step 5: Solve for x
x = 1,857,453,923,102.27/1,548,354.79 - Step 6: Final answer
x = 1,199,630.69
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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.