Finding the Fourth Proportional to 2,560,490.65, 3,813,567.80 and 2,548,115.74
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Solution
The fourth proportional to 2,560,490.65, 3,813,567.80 and 2,548,115.74 is: 3,795,136.74
Step by Step Solution
- Step 1: Write the proportion equation
2,560,490.65 : 3,813,567.80 = 2,548,115.74 : x - Step 2: Convert to fraction form
2,560,490.65/3,813,567.80 = 2,548,115.74/x - Step 3: Cross multiply
2,560,490.65x = 3,813,567.80 × 2,548,115.74 - Step 4: Simplify right side
2,560,490.65x = 9,717,412,136,737.17 - Step 5: Solve for x
x = 9,717,412,136,737.17/2,560,490.65 - Step 6: Final answer
x = 3,795,136.74
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.