Finding the Fourth Proportional to 2,574,029.96, 3,552,161.79 and 1,428,107.57
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Solution
The fourth proportional to 2,574,029.96, 3,552,161.79 and 1,428,107.57 is: 1,970,788.69
Step by Step Solution
- Step 1: Write the proportion equation
2,574,029.96 : 3,552,161.79 = 1,428,107.57 : x - Step 2: Convert to fraction form
2,574,029.96/3,552,161.79 = 1,428,107.57/x - Step 3: Cross multiply
2,574,029.96x = 3,552,161.79 × 1,428,107.57 - Step 4: Simplify right side
2,574,029.96x = 5,072,869,142,163.75 - Step 5: Solve for x
x = 5,072,869,142,163.75/2,574,029.96 - Step 6: Final answer
x = 1,970,788.69
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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.