Finding the Fourth Proportional to 5,885,197.12, 8,121,312.80 and 3,438,034.88
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Solution
The fourth proportional to 5,885,197.12, 8,121,312.80 and 3,438,034.88 is: 4,744,336.70
Step by Step Solution
- Step 1: Write the proportion equation
5,885,197.12 : 8,121,312.80 = 3,438,034.88 : x - Step 2: Convert to fraction form
5,885,197.12/8,121,312.80 = 3,438,034.88/x - Step 3: Cross multiply
5,885,197.12x = 8,121,312.80 × 3,438,034.88 - Step 4: Simplify right side
5,885,197.12x = 27,921,356,677,790.46 - Step 5: Solve for x
x = 27,921,356,677,790.46/5,885,197.12 - Step 6: Final answer
x = 4,744,336.70
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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.