Finding the Fourth Proportional to 2,021,659.55, 2,789,879.08 and 1,103,882.18
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Solution
The fourth proportional to 2,021,659.55, 2,789,879.08 and 1,103,882.18 is: 1,523,351.35
Step by Step Solution
- Step 1: Write the proportion equation
2,021,659.55 : 2,789,879.08 = 1,103,882.18 : x - Step 2: Convert to fraction form
2,021,659.55/2,789,879.08 = 1,103,882.18/x - Step 3: Cross multiply
2,021,659.55x = 2,789,879.08 × 1,103,882.18 - Step 4: Simplify right side
2,021,659.55x = 3,079,697,818,236.43 - Step 5: Solve for x
x = 3,079,697,818,236.43/2,021,659.55 - Step 6: Final answer
x = 1,523,351.35
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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.