Finding the Fourth Proportional to 6,394,078.87, 8,823,955.79 and 3,493,649.70
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Solution
The fourth proportional to 6,394,078.87, 8,823,955.79 and 3,493,649.70 is: 4,821,305.95
Step by Step Solution
- Step 1: Write the proportion equation
6,394,078.87 : 8,823,955.79 = 3,493,649.70 : x - Step 2: Convert to fraction form
6,394,078.87/8,823,955.79 = 3,493,649.70/x - Step 3: Cross multiply
6,394,078.87x = 8,823,955.79 × 3,493,649.70 - Step 4: Simplify right side
6,394,078.87x = 30,827,810,507,280.89 - Step 5: Solve for x
x = 30,827,810,507,280.89/6,394,078.87 - Step 6: Final answer
x = 4,821,305.95
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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.