Finding the Fourth Proportional to 3,889,751.64, 5,368,559.86 and 2,319,984.12
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Solution
The fourth proportional to 3,889,751.64, 5,368,559.86 and 2,319,984.12 is: 3,201,997.14
Step by Step Solution
- Step 1: Write the proportion equation
3,889,751.64 : 5,368,559.86 = 2,319,984.12 : x - Step 2: Convert to fraction form
3,889,751.64/5,368,559.86 = 2,319,984.12/x - Step 3: Cross multiply
3,889,751.64x = 5,368,559.86 × 2,319,984.12 - Step 4: Simplify right side
3,889,751.64x = 12,454,973,647,436.35 - Step 5: Solve for x
x = 12,454,973,647,436.35/3,889,751.64 - Step 6: Final answer
x = 3,201,997.14
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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.