Finding the Fourth Proportional to 2,612,741.36, 3,919,131.48 and 719,586.68
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Solution
The fourth proportional to 2,612,741.36, 3,919,131.48 and 719,586.68 is: 1,079,385.37
Step by Step Solution
- Step 1: Write the proportion equation
2,612,741.36 : 3,919,131.48 = 719,586.68 : x - Step 2: Convert to fraction form
2,612,741.36/3,919,131.48 = 719,586.68/x - Step 3: Cross multiply
2,612,741.36x = 3,919,131.48 × 719,586.68 - Step 4: Simplify right side
2,612,741.36x = 2,820,154,810,176.69 - Step 5: Solve for x
x = 2,820,154,810,176.69/2,612,741.36 - Step 6: Final answer
x = 1,079,385.37
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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.