Finding the Fourth Proportional to 2,033,343.36, 2,806,349.76 and 1,128,216.96
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Solution
The fourth proportional to 2,033,343.36, 2,806,349.76 and 1,128,216.96 is: 1,557,125.79
Step by Step Solution
- Step 1: Write the proportion equation
2,033,343.36 : 2,806,349.76 = 1,128,216.96 : x - Step 2: Convert to fraction form
2,033,343.36/2,806,349.76 = 1,128,216.96/x - Step 3: Cross multiply
2,033,343.36x = 2,806,349.76 × 1,128,216.96 - Step 4: Simplify right side
2,033,343.36x = 3,166,171,394,923.93 - Step 5: Solve for x
x = 3,166,171,394,923.93/2,033,343.36 - Step 6: Final answer
x = 1,557,125.79
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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.