Finding the Fourth Proportional to 5,942,757.12, 8,169,430.71 and 5,112,779.88
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Solution
The fourth proportional to 5,942,757.12, 8,169,430.71 and 5,112,779.88 is: 7,028,471.82
Step by Step Solution
- Step 1: Write the proportion equation
5,942,757.12 : 8,169,430.71 = 5,112,779.88 : x - Step 2: Convert to fraction form
5,942,757.12/8,169,430.71 = 5,112,779.88/x - Step 3: Cross multiply
5,942,757.12x = 8,169,430.71 × 5,112,779.88 - Step 4: Simplify right side
5,942,757.12x = 41,768,500,965,142.12 - Step 5: Solve for x
x = 41,768,500,965,142.12/5,942,757.12 - Step 6: Final answer
x = 7,028,471.82
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.