Finding the Fourth Proportional to 3,888,379.38, 5,365,104.35 and 2,255,840.99
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Solution
The fourth proportional to 3,888,379.38, 5,365,104.35 and 2,255,840.99 is: 3,112,562.10
Step by Step Solution
- Step 1: Write the proportion equation
3,888,379.38 : 5,365,104.35 = 2,255,840.99 : x - Step 2: Convert to fraction form
3,888,379.38/5,365,104.35 = 2,255,840.99/x - Step 3: Cross multiply
3,888,379.38x = 5,365,104.35 × 2,255,840.99 - Step 4: Simplify right side
3,888,379.38x = 12,102,822,270,252.58 - Step 5: Solve for x
x = 12,102,822,270,252.58/3,888,379.38 - Step 6: Final answer
x = 3,112,562.10
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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.