Finding the Fourth Proportional to 2,178,934.74, 3,268,926.99 and 683,026.74
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Solution
The fourth proportional to 2,178,934.74, 3,268,926.99 and 683,026.74 is: 1,024,704.64
Step by Step Solution
- Step 1: Write the proportion equation
2,178,934.74 : 3,268,926.99 = 683,026.74 : x - Step 2: Convert to fraction form
2,178,934.74/3,268,926.99 = 683,026.74/x - Step 3: Cross multiply
2,178,934.74x = 3,268,926.99 × 683,026.74 - Step 4: Simplify right side
2,178,934.74x = 2,232,764,545,277.71 - Step 5: Solve for x
x = 2,232,764,545,277.71/2,178,934.74 - Step 6: Final answer
x = 1,024,704.64
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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.