Finding the Fourth Proportional to 2,592,980.44, 3,578,370.34 and 1,431,424.02
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Solution
The fourth proportional to 2,592,980.44, 3,578,370.34 and 1,431,424.02 is: 1,975,396.80
Step by Step Solution
- Step 1: Write the proportion equation
2,592,980.44 : 3,578,370.34 = 1,431,424.02 : x - Step 2: Convert to fraction form
2,592,980.44/3,578,370.34 = 1,431,424.02/x - Step 3: Cross multiply
2,592,980.44x = 3,578,370.34 × 1,431,424.02 - Step 4: Simplify right side
2,592,980.44x = 5,122,165,257,131.57 - Step 5: Solve for x
x = 5,122,165,257,131.57/2,592,980.44 - Step 6: Final answer
x = 1,975,396.80
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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.