Finding the Fourth Proportional to 2,577,682.24, 3,557,202.56 and 1,431,869.44
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Solution
The fourth proportional to 2,577,682.24, 3,557,202.56 and 1,431,869.44 is: 1,975,980.42
Step by Step Solution
- Step 1: Write the proportion equation
2,577,682.24 : 3,557,202.56 = 1,431,869.44 : x - Step 2: Convert to fraction form
2,577,682.24/3,557,202.56 = 1,431,869.44/x - Step 3: Cross multiply
2,577,682.24x = 3,557,202.56 × 1,431,869.44 - Step 4: Simplify right side
2,577,682.24x = 5,093,449,637,553.77 - Step 5: Solve for x
x = 5,093,449,637,553.77/2,577,682.24 - Step 6: Final answer
x = 1,975,980.42
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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.