Finding the Fourth Proportional to 2,113,453.58, 2,916,571.58 and 1,146,583.87
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Solution
The fourth proportional to 2,113,453.58, 2,916,571.58 and 1,146,583.87 is: 1,582,288.80
Step by Step Solution
- Step 1: Write the proportion equation
2,113,453.58 : 2,916,571.58 = 1,146,583.87 : x - Step 2: Convert to fraction form
2,113,453.58/2,916,571.58 = 1,146,583.87/x - Step 3: Cross multiply
2,113,453.58x = 2,916,571.58 × 1,146,583.87 - Step 4: Simplify right side
2,113,453.58x = 3,344,093,937,158.13 - Step 5: Solve for x
x = 3,344,093,937,158.13/2,113,453.58 - Step 6: Final answer
x = 1,582,288.80
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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.