Finding the Fourth Proportional to 6,745,790.32, 10,117,220 and 2,135,135.08
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Solution
The fourth proportional to 6,745,790.32, 10,117,220 and 2,135,135.08 is: 3,202,238.78
Step by Step Solution
- Step 1: Write the proportion equation
6,745,790.32 : 10,117,220 = 2,135,135.08 : x - Step 2: Convert to fraction form
6,745,790.32/10,117,220 = 2,135,135.08/x - Step 3: Cross multiply
6,745,790.32x = 10,117,220 × 2,135,135.08 - Step 4: Simplify right side
6,745,790.32x = 21,601,631,334,077.60 - Step 5: Solve for x
x = 21,601,631,334,077.60/6,745,790.32 - Step 6: Final answer
x = 3,202,238.78
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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.