Finding the Fourth Proportional to 7,246,950, 10,000,917.36 and 3,983,902.26
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Solution
The fourth proportional to 7,246,950, 10,000,917.36 and 3,983,902.26 is: 5,497,854.58
Step by Step Solution
- Step 1: Write the proportion equation
7,246,950 : 10,000,917.36 = 3,983,902.26 : x - Step 2: Convert to fraction form
7,246,950/10,000,917.36 = 3,983,902.26/x - Step 3: Cross multiply
7,246,950x = 10,000,917.36 × 3,983,902.26 - Step 4: Simplify right side
7,246,950x = 39,842,677,272,577.23 - Step 5: Solve for x
x = 39,842,677,272,577.23/7,246,950 - Step 6: Final answer
x = 5,497,854.58
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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.