Finding the Fourth Proportional to 6,307,908.87, 8,704,917.62 and 3,407,299.68
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Solution
The fourth proportional to 6,307,908.87, 8,704,917.62 and 3,407,299.68 is: 4,702,075.38
Step by Step Solution
- Step 1: Write the proportion equation
6,307,908.87 : 8,704,917.62 = 3,407,299.68 : x - Step 2: Convert to fraction form
6,307,908.87/8,704,917.62 = 3,407,299.68/x - Step 3: Cross multiply
6,307,908.87x = 8,704,917.62 × 3,407,299.68 - Step 4: Simplify right side
6,307,908.87x = 29,660,263,004,015.87 - Step 5: Solve for x
x = 29,660,263,004,015.87/6,307,908.87 - Step 6: Final answer
x = 4,702,075.38
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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.