Finding the Fourth Proportional to 3,909,462.18, 5,391,859.02 and 2,751,740.92
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Solution
The fourth proportional to 3,909,462.18, 5,391,859.02 and 2,751,740.92 is: 3,795,150.95
Step by Step Solution
- Step 1: Write the proportion equation
3,909,462.18 : 5,391,859.02 = 2,751,740.92 : x - Step 2: Convert to fraction form
3,909,462.18/5,391,859.02 = 2,751,740.92/x - Step 3: Cross multiply
3,909,462.18x = 5,391,859.02 × 2,751,740.92 - Step 4: Simplify right side
3,909,462.18x = 14,836,999,100,205.10 - Step 5: Solve for x
x = 14,836,999,100,205.10/3,909,462.18 - Step 6: Final answer
x = 3,795,150.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.