Finding the Fourth Proportional to 4,420,764, 6,631,146 and 1,428,948
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Solution
The fourth proportional to 4,420,764, 6,631,146 and 1,428,948 is: 2,143,422
Step by Step Solution
- Step 1: Write the proportion equation
4,420,764 : 6,631,146 = 1,428,948 : x - Step 2: Convert to fraction form
4,420,764/6,631,146 = 1,428,948/x - Step 3: Cross multiply
4,420,764x = 6,631,146 × 1,428,948 - Step 4: Simplify right side
4,420,764x = 9,475,562,814,408 - Step 5: Solve for x
x = 9,475,562,814,408/4,420,764 - Step 6: Final answer
x = 2,143,422
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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.