Finding the Fourth Proportional to 2,108,579.40, 3,162,394.80 and 970,249.68
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Solution
The fourth proportional to 2,108,579.40, 3,162,394.80 and 970,249.68 is: 1,455,156.27
Step by Step Solution
- Step 1: Write the proportion equation
2,108,579.40 : 3,162,394.80 = 970,249.68 : x - Step 2: Convert to fraction form
2,108,579.40/3,162,394.80 = 970,249.68/x - Step 3: Cross multiply
2,108,579.40x = 3,162,394.80 × 970,249.68 - Step 4: Simplify right side
2,108,579.40x = 3,068,312,542,733.66 - Step 5: Solve for x
x = 3,068,312,542,733.66/2,108,579.40 - Step 6: Final answer
x = 1,455,156.27
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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.