Finding the Fourth Proportional to 3,666,372.63, 5,060,202.74 and 2,138,479.76
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Solution
The fourth proportional to 3,666,372.63, 5,060,202.74 and 2,138,479.76 is: 2,951,456.98
Step by Step Solution
- Step 1: Write the proportion equation
3,666,372.63 : 5,060,202.74 = 2,138,479.76 : x - Step 2: Convert to fraction form
3,666,372.63/5,060,202.74 = 2,138,479.76/x - Step 3: Cross multiply
3,666,372.63x = 5,060,202.74 × 2,138,479.76 - Step 4: Simplify right side
3,666,372.63x = 10,821,141,104,993.13 - Step 5: Solve for x
x = 10,821,141,104,993.13/3,666,372.63 - Step 6: Final answer
x = 2,951,456.98
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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.