Finding the Fourth Proportional to 5,783,489.40, 7,981,676.12 and 3,205,417.08
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Solution
The fourth proportional to 5,783,489.40, 7,981,676.12 and 3,205,417.08 is: 4,423,730.93
Step by Step Solution
- Step 1: Write the proportion equation
5,783,489.40 : 7,981,676.12 = 3,205,417.08 : x - Step 2: Convert to fraction form
5,783,489.40/7,981,676.12 = 3,205,417.08/x - Step 3: Cross multiply
5,783,489.40x = 7,981,676.12 × 3,205,417.08 - Step 4: Simplify right side
5,783,489.40x = 25,584,600,962,076.13 - Step 5: Solve for x
x = 25,584,600,962,076.13/5,783,489.40 - Step 6: Final answer
x = 4,423,730.93
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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.