Finding the Fourth Proportional to 5,885,237.12, 8,121,368.16 and 3,438,074.72
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Solution
The fourth proportional to 5,885,237.12, 8,121,368.16 and 3,438,074.72 is: 4,744,391.77
Step by Step Solution
- Step 1: Write the proportion equation
5,885,237.12 : 8,121,368.16 = 3,438,074.72 : x - Step 2: Convert to fraction form
5,885,237.12/8,121,368.16 = 3,438,074.72/x - Step 3: Cross multiply
5,885,237.12x = 8,121,368.16 × 3,438,074.72 - Step 4: Simplify right side
5,885,237.12x = 27,921,870,562,708.92 - Step 5: Solve for x
x = 27,921,870,562,708.92/5,885,237.12 - Step 6: Final answer
x = 4,744,391.77
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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.