Finding the Fourth Proportional to 3,984,367.68, 5,498,686.80 and 2,265,648
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Solution
The fourth proportional to 3,984,367.68, 5,498,686.80 and 2,265,648 is: 3,126,741.74
Step by Step Solution
- Step 1: Write the proportion equation
3,984,367.68 : 5,498,686.80 = 2,265,648 : x - Step 2: Convert to fraction form
3,984,367.68/5,498,686.80 = 2,265,648/x - Step 3: Cross multiply
3,984,367.68x = 5,498,686.80 × 2,265,648 - Step 4: Simplify right side
3,984,367.68x = 12,458,088,751,046.40 - Step 5: Solve for x
x = 12,458,088,751,046.40/3,984,367.68 - Step 6: Final answer
x = 3,126,741.74
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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.