Finding the Fourth Proportional to 3,470,277.12, 4,788,981.12 and 1,942,383.84
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Solution
The fourth proportional to 3,470,277.12, 4,788,981.12 and 1,942,383.84 is: 2,680,488.97
Step by Step Solution
- Step 1: Write the proportion equation
3,470,277.12 : 4,788,981.12 = 1,942,383.84 : x - Step 2: Convert to fraction form
3,470,277.12/4,788,981.12 = 1,942,383.84/x - Step 3: Cross multiply
3,470,277.12x = 4,788,981.12 × 1,942,383.84 - Step 4: Simplify right side
3,470,277.12x = 9,302,039,537,553.10 - Step 5: Solve for x
x = 9,302,039,537,553.10/3,470,277.12 - Step 6: Final answer
x = 2,680,488.97
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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.