Finding the Fourth Proportional to 3,224,618.81, 4,836,768.79 and 1,202,705.21
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Solution
The fourth proportional to 3,224,618.81, 4,836,768.79 and 1,202,705.21 is: 1,803,998.35
Step by Step Solution
- Step 1: Write the proportion equation
3,224,618.81 : 4,836,768.79 = 1,202,705.21 : x - Step 2: Convert to fraction form
3,224,618.81/4,836,768.79 = 1,202,705.21/x - Step 3: Cross multiply
3,224,618.81x = 4,836,768.79 × 1,202,705.21 - Step 4: Simplify right side
3,224,618.81x = 5,817,206,993,101.03 - Step 5: Solve for x
x = 5,817,206,993,101.03/3,224,618.81 - Step 6: Final answer
x = 1,803,998.35
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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.