Finding the Fourth Proportional to 6,416,412.24, 8,854,668.72 and 3,515,808.72
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Solution
The fourth proportional to 6,416,412.24, 8,854,668.72 and 3,515,808.72 is: 4,851,826.90
Step by Step Solution
- Step 1: Write the proportion equation
6,416,412.24 : 8,854,668.72 = 3,515,808.72 : x - Step 2: Convert to fraction form
6,416,412.24/8,854,668.72 = 3,515,808.72/x - Step 3: Cross multiply
6,416,412.24x = 8,854,668.72 × 3,515,808.72 - Step 4: Simplify right side
6,416,412.24x = 31,131,321,498,487.24 - Step 5: Solve for x
x = 31,131,321,498,487.24/6,416,412.24 - Step 6: Final answer
x = 4,851,826.90
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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.