Finding the Fourth Proportional to 3,217,553.68, 4,440,277.32 and 1,767,383.12
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Solution
The fourth proportional to 3,217,553.68, 4,440,277.32 and 1,767,383.12 is: 2,439,017.95
Step by Step Solution
- Step 1: Write the proportion equation
3,217,553.68 : 4,440,277.32 = 1,767,383.12 : x - Step 2: Convert to fraction form
3,217,553.68/4,440,277.32 = 1,767,383.12/x - Step 3: Cross multiply
3,217,553.68x = 4,440,277.32 × 1,767,383.12 - Step 4: Simplify right side
3,217,553.68x = 7,847,671,183,486.84 - Step 5: Solve for x
x = 7,847,671,183,486.84/3,217,553.68 - Step 6: Final answer
x = 2,439,017.95
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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.