Finding the Fourth Proportional to 5,170,780.64, 7,741,588.80 and 2,736,420
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Solution
The fourth proportional to 5,170,780.64, 7,741,588.80 and 2,736,420 is: 4,096,913.00
Step by Step Solution
- Step 1: Write the proportion equation
5,170,780.64 : 7,741,588.80 = 2,736,420 : x - Step 2: Convert to fraction form
5,170,780.64/7,741,588.80 = 2,736,420/x - Step 3: Cross multiply
5,170,780.64x = 7,741,588.80 × 2,736,420 - Step 4: Simplify right side
5,170,780.64x = 21,184,238,424,096 - Step 5: Solve for x
x = 21,184,238,424,096/5,170,780.64 - Step 6: Final answer
x = 4,096,913.00
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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.