Finding the Fourth Proportional to 2,134,470.99, 2,945,640.23 and 1,167,579.16
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Solution
The fourth proportional to 2,134,470.99, 2,945,640.23 and 1,167,579.16 is: 1,611,297.67
Step by Step Solution
- Step 1: Write the proportion equation
2,134,470.99 : 2,945,640.23 = 1,167,579.16 : x - Step 2: Convert to fraction form
2,134,470.99/2,945,640.23 = 1,167,579.16/x - Step 3: Cross multiply
2,134,470.99x = 2,945,640.23 × 1,167,579.16 - Step 4: Simplify right side
2,134,470.99x = 3,439,268,136,582.03 - Step 5: Solve for x
x = 3,439,268,136,582.03/2,134,470.99 - Step 6: Final answer
x = 1,611,297.67
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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.