Finding the Fourth Proportional to 3,850,690.68, 5,313,751.10 and 2,108,025.99
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Solution
The fourth proportional to 3,850,690.68, 5,313,751.10 and 2,108,025.99 is: 2,908,965.26
Step by Step Solution
- Step 1: Write the proportion equation
3,850,690.68 : 5,313,751.10 = 2,108,025.99 : x - Step 2: Convert to fraction form
3,850,690.68/5,313,751.10 = 2,108,025.99/x - Step 3: Cross multiply
3,850,690.68x = 5,313,751.10 × 2,108,025.99 - Step 4: Simplify right side
3,850,690.68x = 11,201,525,412,650.96 - Step 5: Solve for x
x = 11,201,525,412,650.96/3,850,690.68 - Step 6: Final answer
x = 2,908,965.26
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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.