Finding the Fourth Proportional to 2,078,698.80, 3,117,610.80 and 880,660.20
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Solution
The fourth proportional to 2,078,698.80, 3,117,610.80 and 880,660.20 is: 1,320,804.99
Step by Step Solution
- Step 1: Write the proportion equation
2,078,698.80 : 3,117,610.80 = 880,660.20 : x - Step 2: Convert to fraction form
2,078,698.80/3,117,610.80 = 880,660.20/x - Step 3: Cross multiply
2,078,698.80x = 3,117,610.80 × 880,660.20 - Step 4: Simplify right side
2,078,698.80x = 2,745,555,750,650.16 - Step 5: Solve for x
x = 2,745,555,750,650.16/2,078,698.80 - Step 6: Final answer
x = 1,320,804.99
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1.5x scale
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.