Finding the Fourth Proportional to 2,037,743.70, 2,812,115.40 and 1,120,057.68
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Solution
The fourth proportional to 2,037,743.70, 2,812,115.40 and 1,120,057.68 is: 1,545,695.59
Step by Step Solution
- Step 1: Write the proportion equation
2,037,743.70 : 2,812,115.40 = 1,120,057.68 : x - Step 2: Convert to fraction form
2,037,743.70/2,812,115.40 = 1,120,057.68/x - Step 3: Cross multiply
2,037,743.70x = 2,812,115.40 × 1,120,057.68 - Step 4: Simplify right side
2,037,743.70x = 3,149,731,450,816.27 - Step 5: Solve for x
x = 3,149,731,450,816.27/2,037,743.70 - Step 6: Final answer
x = 1,545,695.59
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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.