Finding the Fourth Proportional to 3,166,617.64, 4,370,337.06 and 1,771,256.81
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Solution
The fourth proportional to 3,166,617.64, 4,370,337.06 and 1,771,256.81 is: 2,444,560.78
Step by Step Solution
- Step 1: Write the proportion equation
3,166,617.64 : 4,370,337.06 = 1,771,256.81 : x - Step 2: Convert to fraction form
3,166,617.64/4,370,337.06 = 1,771,256.81/x - Step 3: Cross multiply
3,166,617.64x = 4,370,337.06 × 1,771,256.81 - Step 4: Simplify right side
3,166,617.64x = 7,740,989,279,520.38 - Step 5: Solve for x
x = 7,740,989,279,520.38/3,166,617.64 - Step 6: Final answer
x = 2,444,560.78
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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.