Finding the Fourth Proportional to 2,178,933.24, 3,268,924.74 and 683,025.24
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Solution
The fourth proportional to 2,178,933.24, 3,268,924.74 and 683,025.24 is: 1,024,702.39
Step by Step Solution
- Step 1: Write the proportion equation
2,178,933.24 : 3,268,924.74 = 683,025.24 : x - Step 2: Convert to fraction form
2,178,933.24/3,268,924.74 = 683,025.24/x - Step 3: Cross multiply
2,178,933.24x = 3,268,924.74 × 683,025.24 - Step 4: Simplify right side
2,178,933.24x = 2,232,758,105,080.44 - Step 5: Solve for x
x = 2,232,758,105,080.44/2,178,933.24 - Step 6: Final answer
x = 1,024,702.39
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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.