Finding the Fourth Proportional to 3,783,225.70, 5,220,977.47 and 2,064,440.53
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Solution
The fourth proportional to 3,783,225.70, 5,220,977.47 and 2,064,440.53 is: 2,848,996.69
Step by Step Solution
- Step 1: Write the proportion equation
3,783,225.70 : 5,220,977.47 = 2,064,440.53 : x - Step 2: Convert to fraction form
3,783,225.70/5,220,977.47 = 2,064,440.53/x - Step 3: Cross multiply
3,783,225.70x = 5,220,977.47 × 2,064,440.53 - Step 4: Simplify right side
3,783,225.70x = 10,778,397,477,071.31 - Step 5: Solve for x
x = 10,778,397,477,071.31/3,783,225.70 - Step 6: Final answer
x = 2,848,996.69
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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.