Finding the Fourth Proportional to 3,787,678.24, 5,682,315.29 and 1,228,693.37
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Solution
The fourth proportional to 3,787,678.24, 5,682,315.29 and 1,228,693.37 is: 1,843,298.89
Step by Step Solution
- Step 1: Write the proportion equation
3,787,678.24 : 5,682,315.29 = 1,228,693.37 : x - Step 2: Convert to fraction form
3,787,678.24/5,682,315.29 = 1,228,693.37/x - Step 3: Cross multiply
3,787,678.24x = 5,682,315.29 × 1,228,693.37 - Step 4: Simplify right side
3,787,678.24x = 6,981,823,088,517.58 - Step 5: Solve for x
x = 6,981,823,088,517.58/3,787,678.24 - Step 6: Final answer
x = 1,843,298.89
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.