Finding the Fourth Proportional to 4,136,174.42, 6,204,428.53 and 1,440,772.25
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Solution
The fourth proportional to 4,136,174.42, 6,204,428.53 and 1,440,772.25 is: 2,161,216.51
Step by Step Solution
- Step 1: Write the proportion equation
4,136,174.42 : 6,204,428.53 = 1,440,772.25 : x - Step 2: Convert to fraction form
4,136,174.42/6,204,428.53 = 1,440,772.25/x - Step 3: Cross multiply
4,136,174.42x = 6,204,428.53 × 1,440,772.25 - Step 4: Simplify right side
4,136,174.42x = 8,939,168,422,110.15 - Step 5: Solve for x
x = 8,939,168,422,110.15/4,136,174.42 - Step 6: Final answer
x = 2,161,216.51
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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.