Finding the Fourth Proportional to 2,405,583.08, 3,319,704.37 and 1,438,713.22
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Solution
The fourth proportional to 2,405,583.08, 3,319,704.37 and 1,438,713.22 is: 1,985,424.08
Step by Step Solution
- Step 1: Write the proportion equation
2,405,583.08 : 3,319,704.37 = 1,438,713.22 : x - Step 2: Convert to fraction form
2,405,583.08/3,319,704.37 = 1,438,713.22/x - Step 3: Cross multiply
2,405,583.08x = 3,319,704.37 × 1,438,713.22 - Step 4: Simplify right side
2,405,583.08x = 4,776,102,563,610.77 - Step 5: Solve for x
x = 4,776,102,563,610.77/2,405,583.08 - Step 6: Final answer
x = 1,985,424.08
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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.