Finding the Fourth Proportional to 3,221,388, 4,832,082 and 857,484
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Solution
The fourth proportional to 3,221,388, 4,832,082 and 857,484 is: 1,286,226
Step by Step Solution
- Step 1: Write the proportion equation
3,221,388 : 4,832,082 = 857,484 : x - Step 2: Convert to fraction form
3,221,388/4,832,082 = 857,484/x - Step 3: Cross multiply
3,221,388x = 4,832,082 × 857,484 - Step 4: Simplify right side
3,221,388x = 4,143,433,001,688 - Step 5: Solve for x
x = 4,143,433,001,688/3,221,388 - Step 6: Final answer
x = 1,286,226
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.