Finding the Fourth Proportional to 2,639,249.60, 3,958,805.14 and 842,242.73
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Solution
The fourth proportional to 2,639,249.60, 3,958,805.14 and 842,242.73 is: 1,263,341.99
Step by Step Solution
- Step 1: Write the proportion equation
2,639,249.60 : 3,958,805.14 = 842,242.73 : x - Step 2: Convert to fraction form
2,639,249.60/3,958,805.14 = 842,242.73/x - Step 3: Cross multiply
2,639,249.60x = 3,958,805.14 × 842,242.73 - Step 4: Simplify right side
2,639,249.60x = 3,334,274,826,752.00 - Step 5: Solve for x
x = 3,334,274,826,752.00/2,639,249.60 - Step 6: Final answer
x = 1,263,341.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.