Finding the Fourth Proportional to 6,371,971.49, 8,793,285.86 and 3,471,355.37
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Solution
The fourth proportional to 6,371,971.49, 8,793,285.86 and 3,471,355.37 is: 4,790,451.45
Step by Step Solution
- Step 1: Write the proportion equation
6,371,971.49 : 8,793,285.86 = 3,471,355.37 : x - Step 2: Convert to fraction form
6,371,971.49/8,793,285.86 = 3,471,355.37/x - Step 3: Cross multiply
6,371,971.49x = 8,793,285.86 × 3,471,355.37 - Step 4: Simplify right side
6,371,971.49x = 30,524,620,054,768.03 - Step 5: Solve for x
x = 30,524,620,054,768.03/6,371,971.49 - Step 6: Final answer
x = 4,790,451.45
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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.