Finding the Fourth Proportional to 3,211,647.39, 4,817,474.73 and 1,081,553.13
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Solution
The fourth proportional to 3,211,647.39, 4,817,474.73 and 1,081,553.13 is: 1,622,330.92
Step by Step Solution
- Step 1: Write the proportion equation
3,211,647.39 : 4,817,474.73 = 1,081,553.13 : x - Step 2: Convert to fraction form
3,211,647.39/4,817,474.73 = 1,081,553.13/x - Step 3: Cross multiply
3,211,647.39x = 4,817,474.73 × 1,081,553.13 - Step 4: Simplify right side
3,211,647.39x = 5,210,354,872,927.41 - Step 5: Solve for x
x = 5,210,354,872,927.41/3,211,647.39 - Step 6: Final answer
x = 1,622,330.92
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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.