Finding the Fourth Proportional to 1,879,641.27, 2,593,835.46 and 1,020,183.12
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Solution
The fourth proportional to 1,879,641.27, 2,593,835.46 and 1,020,183.12 is: 1,407,814.99
Step by Step Solution
- Step 1: Write the proportion equation
1,879,641.27 : 2,593,835.46 = 1,020,183.12 : x - Step 2: Convert to fraction form
1,879,641.27/2,593,835.46 = 1,020,183.12/x - Step 3: Cross multiply
1,879,641.27x = 2,593,835.46 × 1,020,183.12 - Step 4: Simplify right side
1,879,641.27x = 2,646,187,152,349.44 - Step 5: Solve for x
x = 2,646,187,152,349.44/1,879,641.27 - Step 6: Final answer
x = 1,407,814.99
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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.