Finding the Fourth Proportional to 1,984,751.16, 2,738,534.97 and 1,168,657.12
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Solution
The fourth proportional to 1,984,751.16, 2,738,534.97 and 1,168,657.12 is: 1,612,498.56
Step by Step Solution
- Step 1: Write the proportion equation
1,984,751.16 : 2,738,534.97 = 1,168,657.12 : x - Step 2: Convert to fraction form
1,984,751.16/2,738,534.97 = 1,168,657.12/x - Step 3: Cross multiply
1,984,751.16x = 2,738,534.97 × 1,168,657.12 - Step 4: Simplify right side
1,984,751.16x = 3,200,408,391,059.49 - Step 5: Solve for x
x = 3,200,408,391,059.49/1,984,751.16 - Step 6: Final answer
x = 1,612,498.56
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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.