Finding the Fourth Proportional to 2,561,689.86, 3,842,396.28 and 1,299,484.68
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Solution
The fourth proportional to 2,561,689.86, 3,842,396.28 and 1,299,484.68 is: 1,949,156.76
Step by Step Solution
- Step 1: Write the proportion equation
2,561,689.86 : 3,842,396.28 = 1,299,484.68 : x - Step 2: Convert to fraction form
2,561,689.86/3,842,396.28 = 1,299,484.68/x - Step 3: Cross multiply
2,561,689.86x = 3,842,396.28 × 1,299,484.68 - Step 4: Simplify right side
2,561,689.86x = 4,993,135,100,348.99 - Step 5: Solve for x
x = 4,993,135,100,348.99/2,561,689.86 - Step 6: Final answer
x = 1,949,156.76
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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.