Finding the Fourth Proportional to 5,345,804.78, 7,370,073.73 and 4,246,882.44
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Solution
The fourth proportional to 5,345,804.78, 7,370,073.73 and 4,246,882.44 is: 5,855,028.01
Step by Step Solution
- Step 1: Write the proportion equation
5,345,804.78 : 7,370,073.73 = 4,246,882.44 : x - Step 2: Convert to fraction form
5,345,804.78/7,370,073.73 = 4,246,882.44/x - Step 3: Cross multiply
5,345,804.78x = 7,370,073.73 × 4,246,882.44 - Step 4: Simplify right side
5,345,804.78x = 31,299,836,705,442.30 - Step 5: Solve for x
x = 31,299,836,705,442.30/5,345,804.78 - Step 6: Final answer
x = 5,855,028.01
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1.5x scale
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.