Finding the Fourth Proportional to 3,707,458.96, 5,115,870.48 and 2,075,639.44
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Solution
The fourth proportional to 3,707,458.96, 5,115,870.48 and 2,075,639.44 is: 2,864,145.67
Step by Step Solution
- Step 1: Write the proportion equation
3,707,458.96 : 5,115,870.48 = 2,075,639.44 : x - Step 2: Convert to fraction form
3,707,458.96/5,115,870.48 = 2,075,639.44/x - Step 3: Cross multiply
3,707,458.96x = 5,115,870.48 × 2,075,639.44 - Step 4: Simplify right side
3,707,458.96x = 10,618,702,538,219.73 - Step 5: Solve for x
x = 10,618,702,538,219.73/3,707,458.96 - Step 6: Final answer
x = 2,864,145.67
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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.