Finding the Fourth Proportional to 3,997,557.13, 5,516,628.84 and 2,162,015.41
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Solution
The fourth proportional to 3,997,557.13, 5,516,628.84 and 2,162,015.41 is: 2,983,581.27
Step by Step Solution
- Step 1: Write the proportion equation
3,997,557.13 : 5,516,628.84 = 2,162,015.41 : x - Step 2: Convert to fraction form
3,997,557.13/5,516,628.84 = 2,162,015.41/x - Step 3: Cross multiply
3,997,557.13x = 5,516,628.84 × 2,162,015.41 - Step 4: Simplify right side
3,997,557.13x = 11,927,036,563,330.43 - Step 5: Solve for x
x = 11,927,036,563,330.43/3,997,557.13 - Step 6: Final answer
x = 2,983,581.27
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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.