Finding the Fourth Proportional to 5,018,828.67, 7,528,228.11 and 1,424,598.66
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Solution
The fourth proportional to 5,018,828.67, 7,528,228.11 and 1,424,598.66 is: 2,136,893.76
Step by Step Solution
- Step 1: Write the proportion equation
5,018,828.67 : 7,528,228.11 = 1,424,598.66 : x - Step 2: Convert to fraction form
5,018,828.67/7,528,228.11 = 1,424,598.66/x - Step 3: Cross multiply
5,018,828.67x = 7,528,228.11 × 1,424,598.66 - Step 4: Simplify right side
5,018,828.67x = 10,724,703,677,680.33 - Step 5: Solve for x
x = 10,724,703,677,680.33/5,018,828.67 - Step 6: Final answer
x = 2,136,893.76
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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.