Finding the Fourth Proportional to 1,720,230.49, 2,373,978.99 and 945,920.26
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Solution
The fourth proportional to 1,720,230.49, 2,373,978.99 and 945,920.26 is: 1,305,403.45
Step by Step Solution
- Step 1: Write the proportion equation
1,720,230.49 : 2,373,978.99 = 945,920.26 : x - Step 2: Convert to fraction form
1,720,230.49/2,373,978.99 = 945,920.26/x - Step 3: Cross multiply
1,720,230.49x = 2,373,978.99 × 945,920.26 - Step 4: Simplify right side
1,720,230.49x = 2,245,594,823,455.34 - Step 5: Solve for x
x = 2,245,594,823,455.34/1,720,230.49 - Step 6: Final answer
x = 1,305,403.45
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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.