Finding the Fourth Proportional to 1,837,441.16, 2,756,529.64 and 1,028,975.28
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Solution
The fourth proportional to 1,837,441.16, 2,756,529.64 and 1,028,975.28 is: 1,543,668.95
Step by Step Solution
- Step 1: Write the proportion equation
1,837,441.16 : 2,756,529.64 = 1,028,975.28 : x - Step 2: Convert to fraction form
1,837,441.16/2,756,529.64 = 1,028,975.28/x - Step 3: Cross multiply
1,837,441.16x = 2,756,529.64 × 1,028,975.28 - Step 4: Simplify right side
1,837,441.16x = 2,836,400,858,147.30 - Step 5: Solve for x
x = 2,836,400,858,147.30/1,837,441.16 - Step 6: Final answer
x = 1,543,668.95
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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.