Finding the Fourth Proportional to 2,768,700.92, 3,821,032.14 and 1,561,727.48
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Solution
The fourth proportional to 2,768,700.92, 3,821,032.14 and 1,561,727.48 is: 2,155,310.76
Step by Step Solution
- Step 1: Write the proportion equation
2,768,700.92 : 3,821,032.14 = 1,561,727.48 : x - Step 2: Convert to fraction form
2,768,700.92/3,821,032.14 = 1,561,727.48/x - Step 3: Cross multiply
2,768,700.92x = 3,821,032.14 × 1,561,727.48 - Step 4: Simplify right side
2,768,700.92x = 5,967,410,895,001.21 - Step 5: Solve for x
x = 5,967,410,895,001.21/2,768,700.92 - Step 6: Final answer
x = 2,155,310.76
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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.