Finding the Fourth Proportional to 2,557,453.41, 3,530,614.16 and 1,868,351.58
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Solution
The fourth proportional to 2,557,453.41, 3,530,614.16 and 1,868,351.58 is: 2,579,295.69
Step by Step Solution
- Step 1: Write the proportion equation
2,557,453.41 : 3,530,614.16 = 1,868,351.58 : x - Step 2: Convert to fraction form
2,557,453.41/3,530,614.16 = 1,868,351.58/x - Step 3: Cross multiply
2,557,453.41x = 3,530,614.16 × 1,868,351.58 - Step 4: Simplify right side
2,557,453.41x = 6,596,428,548,877.25 - Step 5: Solve for x
x = 6,596,428,548,877.25/2,557,453.41 - Step 6: Final answer
x = 2,579,295.69
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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.