Finding the Fourth Proportional to 4,415,321.73, 6,617,442.20 and 1,888,005.09
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Solution
The fourth proportional to 4,415,321.73, 6,617,442.20 and 1,888,005.09 is: 2,829,638.54
Step by Step Solution
- Step 1: Write the proportion equation
4,415,321.73 : 6,617,442.20 = 1,888,005.09 : x - Step 2: Convert to fraction form
4,415,321.73/6,617,442.20 = 1,888,005.09/x - Step 3: Cross multiply
4,415,321.73x = 6,617,442.20 × 1,888,005.09 - Step 4: Simplify right side
4,415,321.73x = 12,493,764,546,940.77 - Step 5: Solve for x
x = 12,493,764,546,940.77/4,415,321.73 - Step 6: Final answer
x = 2,829,638.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.