Finding the Fourth Proportional to 1,811,351.14, 2,716,860.12 and 613,136.50
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Solution
The fourth proportional to 1,811,351.14, 2,716,860.12 and 613,136.50 is: 919,648.36
Step by Step Solution
- Step 1: Write the proportion equation
1,811,351.14 : 2,716,860.12 = 613,136.50 : x - Step 2: Convert to fraction form
1,811,351.14/2,716,860.12 = 613,136.50/x - Step 3: Cross multiply
1,811,351.14x = 2,716,860.12 × 613,136.50 - Step 4: Simplify right side
1,811,351.14x = 1,665,806,104,966.38 - Step 5: Solve for x
x = 1,665,806,104,966.38/1,811,351.14 - Step 6: Final answer
x = 919,648.36
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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.