Finding the Fourth Proportional to 3,362,923.12, 4,640,790.36 and 1,835,003.92
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Solution
The fourth proportional to 3,362,923.12, 4,640,790.36 and 1,835,003.92 is: 2,532,281.65
Step by Step Solution
- Step 1: Write the proportion equation
3,362,923.12 : 4,640,790.36 = 1,835,003.92 : x - Step 2: Convert to fraction form
3,362,923.12/4,640,790.36 = 1,835,003.92/x - Step 3: Cross multiply
3,362,923.12x = 4,640,790.36 × 1,835,003.92 - Step 4: Simplify right side
3,362,923.12x = 8,515,868,502,498.21 - Step 5: Solve for x
x = 8,515,868,502,498.21/3,362,923.12 - Step 6: Final answer
x = 2,532,281.65
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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.