Finding the Fourth Proportional to 3,853,574.04, 5,317,862.58 and 2,134,689.24
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Solution
The fourth proportional to 3,853,574.04, 5,317,862.58 and 2,134,689.24 is: 2,945,832.60
Step by Step Solution
- Step 1: Write the proportion equation
3,853,574.04 : 5,317,862.58 = 2,134,689.24 : x - Step 2: Convert to fraction form
3,853,574.04/5,317,862.58 = 2,134,689.24/x - Step 3: Cross multiply
3,853,574.04x = 5,317,862.58 × 2,134,689.24 - Step 4: Simplify right side
3,853,574.04x = 11,351,984,029,324.64 - Step 5: Solve for x
x = 11,351,984,029,324.64/3,853,574.04 - Step 6: Final answer
x = 2,945,832.60
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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.