Finding the Fourth Proportional to 3,176,322.25, 4,383,321.35 and 1,726,014.23
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Solution
The fourth proportional to 3,176,322.25, 4,383,321.35 and 1,726,014.23 is: 2,381,897.81
Step by Step Solution
- Step 1: Write the proportion equation
3,176,322.25 : 4,383,321.35 = 1,726,014.23 : x - Step 2: Convert to fraction form
3,176,322.25/4,383,321.35 = 1,726,014.23/x - Step 3: Cross multiply
3,176,322.25x = 4,383,321.35 × 1,726,014.23 - Step 4: Simplify right side
3,176,322.25x = 7,565,675,024,762.81 - Step 5: Solve for x
x = 7,565,675,024,762.81/3,176,322.25 - Step 6: Final answer
x = 2,381,897.81
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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.