Finding the Fourth Proportional to 5,747,716.98, 8,621,779.11 and 1,429,789.68
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Solution
The fourth proportional to 5,747,716.98, 8,621,779.11 and 1,429,789.68 is: 2,144,735.18
Step by Step Solution
- Step 1: Write the proportion equation
5,747,716.98 : 8,621,779.11 = 1,429,789.68 : x - Step 2: Convert to fraction form
5,747,716.98/8,621,779.11 = 1,429,789.68/x - Step 3: Cross multiply
5,747,716.98x = 8,621,779.11 × 1,429,789.68 - Step 4: Simplify right side
5,747,716.98x = 12,327,330,794,717.58 - Step 5: Solve for x
x = 12,327,330,794,717.58/5,747,716.98 - Step 6: Final answer
x = 2,144,735.18
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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.