Finding the Fourth Proportional to 2,642,738.29, 3,647,490.11 and 1,723,371.31
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Solution
The fourth proportional to 2,642,738.29, 3,647,490.11 and 1,723,371.31 is: 2,378,585.81
Step by Step Solution
- Step 1: Write the proportion equation
2,642,738.29 : 3,647,490.11 = 1,723,371.31 : x - Step 2: Convert to fraction form
2,642,738.29/3,647,490.11 = 1,723,371.31/x - Step 3: Cross multiply
2,642,738.29x = 3,647,490.11 × 1,723,371.31 - Step 4: Simplify right side
2,642,738.29x = 6,285,979,791,347.16 - Step 5: Solve for x
x = 6,285,979,791,347.16/2,642,738.29 - Step 6: Final answer
x = 2,378,585.81
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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.