Finding the Fourth Proportional to 1,548,523.40, 2,137,303.75 and 860,431.64
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Solution
The fourth proportional to 1,548,523.40, 2,137,303.75 and 860,431.64 is: 1,187,585.39
Step by Step Solution
- Step 1: Write the proportion equation
1,548,523.40 : 2,137,303.75 = 860,431.64 : x - Step 2: Convert to fraction form
1,548,523.40/2,137,303.75 = 860,431.64/x - Step 3: Cross multiply
1,548,523.40x = 2,137,303.75 × 860,431.64 - Step 4: Simplify right side
1,548,523.40x = 1,839,003,770,790.65 - Step 5: Solve for x
x = 1,839,003,770,790.65/1,548,523.40 - Step 6: Final answer
x = 1,187,585.39
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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.