Finding the Fourth Proportional to 2,579,704.80, 3,869,557.20 and 1,304,246.40
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Solution
The fourth proportional to 2,579,704.80, 3,869,557.20 and 1,304,246.40 is: 1,956,369.60
Step by Step Solution
- Step 1: Write the proportion equation
2,579,704.80 : 3,869,557.20 = 1,304,246.40 : x - Step 2: Convert to fraction form
2,579,704.80/3,869,557.20 = 1,304,246.40/x - Step 3: Cross multiply
2,579,704.80x = 3,869,557.20 × 1,304,246.40 - Step 4: Simplify right side
2,579,704.80x = 5,046,856,047,694.08 - Step 5: Solve for x
x = 5,046,856,047,694.08/2,579,704.80 - Step 6: Final answer
x = 1,956,369.60
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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.