Finding the Fourth Proportional to 3,165,501.16, 4,368,472.97 and 1,942,482.47
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Solution
The fourth proportional to 3,165,501.16, 4,368,472.97 and 1,942,482.47 is: 2,680,675.73
Step by Step Solution
- Step 1: Write the proportion equation
3,165,501.16 : 4,368,472.97 = 1,942,482.47 : x - Step 2: Convert to fraction form
3,165,501.16/4,368,472.97 = 1,942,482.47/x - Step 3: Cross multiply
3,165,501.16x = 4,368,472.97 × 1,942,482.47 - Step 4: Simplify right side
3,165,501.16x = 8,485,682,133,339.06 - Step 5: Solve for x
x = 8,485,682,133,339.06/3,165,501.16 - Step 6: Final answer
x = 2,680,675.73
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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.