Finding the Fourth Proportional to 2,281,716.56, 3,421,467.36 and 1,143,990.08
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Solution
The fourth proportional to 2,281,716.56, 3,421,467.36 and 1,143,990.08 is: 1,715,429.86
Step by Step Solution
- Step 1: Write the proportion equation
2,281,716.56 : 3,421,467.36 = 1,143,990.08 : x - Step 2: Convert to fraction form
2,281,716.56/3,421,467.36 = 1,143,990.08/x - Step 3: Cross multiply
2,281,716.56x = 3,421,467.36 × 1,143,990.08 - Step 4: Simplify right side
2,281,716.56x = 3,914,124,718,883.79 - Step 5: Solve for x
x = 3,914,124,718,883.79/2,281,716.56 - Step 6: Final answer
x = 1,715,429.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.