Finding the Fourth Proportional to 1,548,354.54, 2,136,674.43 and 869,319.66
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Solution
The fourth proportional to 1,548,354.54, 2,136,674.43 and 869,319.66 is: 1,199,630.34
Step by Step Solution
- Step 1: Write the proportion equation
1,548,354.54 : 2,136,674.43 = 869,319.66 : x - Step 2: Convert to fraction form
1,548,354.54/2,136,674.43 = 869,319.66/x - Step 3: Cross multiply
1,548,354.54x = 2,136,674.43 × 869,319.66 - Step 4: Simplify right side
1,548,354.54x = 1,857,453,089,018.29 - Step 5: Solve for x
x = 1,857,453,089,018.29/1,548,354.54 - Step 6: Final answer
x = 1,199,630.34
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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.