Finding the Fourth Proportional to 2,219,095.44, 3,062,321.70 and 1,239,049.62
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Solution
The fourth proportional to 2,219,095.44, 3,062,321.70 and 1,239,049.62 is: 1,709,871.72
Step by Step Solution
- Step 1: Write the proportion equation
2,219,095.44 : 3,062,321.70 = 1,239,049.62 : x - Step 2: Convert to fraction form
2,219,095.44/3,062,321.70 = 1,239,049.62/x - Step 3: Cross multiply
2,219,095.44x = 3,062,321.70 × 1,239,049.62 - Step 4: Simplify right side
2,219,095.44x = 3,794,368,538,702.75 - Step 5: Solve for x
x = 3,794,368,538,702.75/2,219,095.44 - Step 6: Final answer
x = 1,709,871.72
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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.