Finding the Fourth Proportional to 3,286,391.02, 4,535,135.90 and 1,836,097.31
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Solution
The fourth proportional to 3,286,391.02, 4,535,135.90 and 1,836,097.31 is: 2,533,767.51
Step by Step Solution
- Step 1: Write the proportion equation
3,286,391.02 : 4,535,135.90 = 1,836,097.31 : x - Step 2: Convert to fraction form
3,286,391.02/4,535,135.90 = 1,836,097.31/x - Step 3: Cross multiply
3,286,391.02x = 4,535,135.90 × 1,836,097.31 - Step 4: Simplify right side
3,286,391.02x = 8,326,950,794,618.26 - Step 5: Solve for x
x = 8,326,950,794,618.26/3,286,391.02 - Step 6: Final answer
x = 2,533,767.51
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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.