Finding the Fourth Proportional to 4,136,173.91, 6,204,427.78 and 1,440,771.74
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Solution
The fourth proportional to 4,136,173.91, 6,204,427.78 and 1,440,771.74 is: 2,161,215.76
Step by Step Solution
- Step 1: Write the proportion equation
4,136,173.91 : 6,204,427.78 = 1,440,771.74 : x - Step 2: Convert to fraction form
4,136,173.91/6,204,427.78 = 1,440,771.74/x - Step 3: Cross multiply
4,136,173.91x = 6,204,427.78 × 1,440,771.74 - Step 4: Simplify right side
4,136,173.91x = 8,939,164,238,591.00 - Step 5: Solve for x
x = 8,939,164,238,591.00/4,136,173.91 - Step 6: Final answer
x = 2,161,215.76
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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.