Finding the Fourth Proportional to 2,013,409.41, 2,778,505.44 and 1,107,991.41
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Solution
The fourth proportional to 2,013,409.41, 2,778,505.44 and 1,107,991.41 is: 1,529,028.39
Step by Step Solution
- Step 1: Write the proportion equation
2,013,409.41 : 2,778,505.44 = 1,107,991.41 : x - Step 2: Convert to fraction form
2,013,409.41/2,778,505.44 = 1,107,991.41/x - Step 3: Cross multiply
2,013,409.41x = 2,778,505.44 × 1,107,991.41 - Step 4: Simplify right side
2,013,409.41x = 3,078,560,145,583.91 - Step 5: Solve for x
x = 3,078,560,145,583.91/2,013,409.41 - Step 6: Final answer
x = 1,529,028.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.