Finding the Fourth Proportional to 3,420,852.06, 5,129,761.77 and 1,823,117.34
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Solution
The fourth proportional to 3,420,852.06, 5,129,761.77 and 1,823,117.34 is: 2,733,867.90
Step by Step Solution
- Step 1: Write the proportion equation
3,420,852.06 : 5,129,761.77 = 1,823,117.34 : x - Step 2: Convert to fraction form
3,420,852.06/5,129,761.77 = 1,823,117.34/x - Step 3: Cross multiply
3,420,852.06x = 5,129,761.77 × 1,823,117.34 - Step 4: Simplify right side
3,420,852.06x = 9,352,157,632,956.09 - Step 5: Solve for x
x = 9,352,157,632,956.09/3,420,852.06 - Step 6: Final answer
x = 2,733,867.90
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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.