Finding the Fourth Proportional to 1,424,471.36, 2,136,992.16 and 525,918.56
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Solution
The fourth proportional to 1,424,471.36, 2,136,992.16 and 525,918.56 is: 788,983.11
Step by Step Solution
- Step 1: Write the proportion equation
1,424,471.36 : 2,136,992.16 = 525,918.56 : x - Step 2: Convert to fraction form
1,424,471.36/2,136,992.16 = 525,918.56/x - Step 3: Cross multiply
1,424,471.36x = 2,136,992.16 × 525,918.56 - Step 4: Simplify right side
1,424,471.36x = 1,123,883,839,518.49 - Step 5: Solve for x
x = 1,123,883,839,518.49/1,424,471.36 - Step 6: Final answer
x = 788,983.11
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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.