Finding the Fourth Proportional to 2,589,729.64, 3,574,516.14 and 1,529,800.67
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Solution
The fourth proportional to 2,589,729.64, 3,574,516.14 and 1,529,800.67 is: 2,111,532.07
Step by Step Solution
- Step 1: Write the proportion equation
2,589,729.64 : 3,574,516.14 = 1,529,800.67 : x - Step 2: Convert to fraction form
2,589,729.64/3,574,516.14 = 1,529,800.67/x - Step 3: Cross multiply
2,589,729.64x = 3,574,516.14 × 1,529,800.67 - Step 4: Simplify right side
2,589,729.64x = 5,468,297,168,025.23 - Step 5: Solve for x
x = 5,468,297,168,025.23/2,589,729.64 - Step 6: Final answer
x = 2,111,532.07
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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.