Finding the Fourth Proportional to 3,683,085.12, 5,082,268.70 and 2,134,832.49
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Solution
The fourth proportional to 3,683,085.12, 5,082,268.70 and 2,134,832.49 is: 2,945,843.49
Step by Step Solution
- Step 1: Write the proportion equation
3,683,085.12 : 5,082,268.70 = 2,134,832.49 : x - Step 2: Convert to fraction form
3,683,085.12/5,082,268.70 = 2,134,832.49/x - Step 3: Cross multiply
3,683,085.12x = 5,082,268.70 × 2,134,832.49 - Step 4: Simplify right side
3,683,085.12x = 10,849,792,332,995.90 - Step 5: Solve for x
x = 10,849,792,332,995.90/3,683,085.12 - Step 6: Final answer
x = 2,945,843.49
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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.