Finding the Fourth Proportional to 3,023,338.23, 4,172,206.81 and 1,665,211.23
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Solution
The fourth proportional to 3,023,338.23, 4,172,206.81 and 1,665,211.23 is: 2,297,991.53
Step by Step Solution
- Step 1: Write the proportion equation
3,023,338.23 : 4,172,206.81 = 1,665,211.23 : x - Step 2: Convert to fraction form
3,023,338.23/4,172,206.81 = 1,665,211.23/x - Step 3: Cross multiply
3,023,338.23x = 4,172,206.81 × 1,665,211.23 - Step 4: Simplify right side
3,023,338.23x = 6,947,605,633,894.48 - Step 5: Solve for x
x = 6,947,605,633,894.48/3,023,338.23 - Step 6: Final answer
x = 2,297,991.53
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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.