Finding the Fourth Proportional to 2,178,933.74, 3,268,925.49 and 683,025.74
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Solution
The fourth proportional to 2,178,933.74, 3,268,925.49 and 683,025.74 is: 1,024,703.14
Step by Step Solution
- Step 1: Write the proportion equation
2,178,933.74 : 3,268,925.49 = 683,025.74 : x - Step 2: Convert to fraction form
2,178,933.74/3,268,925.49 = 683,025.74/x - Step 3: Cross multiply
2,178,933.74x = 3,268,925.49 × 683,025.74 - Step 4: Simplify right side
2,178,933.74x = 2,232,760,251,812.11 - Step 5: Solve for x
x = 2,232,760,251,812.11/2,178,933.74 - Step 6: Final answer
x = 1,024,703.14
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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.