Finding the Fourth Proportional to 2,479,958.94, 3,421,935.81 and 1,461,225.18
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Solution
The fourth proportional to 2,479,958.94, 3,421,935.81 and 1,461,225.18 is: 2,016,250.63
Step by Step Solution
- Step 1: Write the proportion equation
2,479,958.94 : 3,421,935.81 = 1,461,225.18 : x - Step 2: Convert to fraction form
2,479,958.94/3,421,935.81 = 1,461,225.18/x - Step 3: Cross multiply
2,479,958.94x = 3,421,935.81 × 1,461,225.18 - Step 4: Simplify right side
2,479,958.94x = 5,000,218,769,915.70 - Step 5: Solve for x
x = 5,000,218,769,915.70/2,479,958.94 - Step 6: Final answer
x = 2,016,250.63
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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.