Finding the Fourth Proportional to 3,630,558.62, 5,010,129.60 and 1,998,932.70
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Solution
The fourth proportional to 3,630,558.62, 5,010,129.60 and 1,998,932.70 is: 2,758,504.39
Step by Step Solution
- Step 1: Write the proportion equation
3,630,558.62 : 5,010,129.60 = 1,998,932.70 : x - Step 2: Convert to fraction form
3,630,558.62/5,010,129.60 = 1,998,932.70/x - Step 3: Cross multiply
3,630,558.62x = 5,010,129.60 × 1,998,932.70 - Step 4: Simplify right side
3,630,558.62x = 10,014,911,888,677.92 - Step 5: Solve for x
x = 10,014,911,888,677.92/3,630,558.62 - Step 6: Final answer
x = 2,758,504.39
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1.5x scale
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.