Finding the Fourth Proportional to 3,136,755.68, 4,705,358.40 and 1,313,285.65
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Solution
The fourth proportional to 3,136,755.68, 4,705,358.40 and 1,313,285.65 is: 1,970,022.62
Step by Step Solution
- Step 1: Write the proportion equation
3,136,755.68 : 4,705,358.40 = 1,313,285.65 : x - Step 2: Convert to fraction form
3,136,755.68/4,705,358.40 = 1,313,285.65/x - Step 3: Cross multiply
3,136,755.68x = 4,705,358.40 × 1,313,285.65 - Step 4: Simplify right side
3,136,755.68x = 6,179,479,653,063.57 - Step 5: Solve for x
x = 6,179,479,653,063.57/3,136,755.68 - Step 6: Final answer
x = 1,970,022.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.