Finding the Fourth Proportional to 3,491,718.84, 5,238,857.66 and 1,470,471.57
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Solution
The fourth proportional to 3,491,718.84, 5,238,857.66 and 1,470,471.57 is: 2,206,246.15
Step by Step Solution
- Step 1: Write the proportion equation
3,491,718.84 : 5,238,857.66 = 1,470,471.57 : x - Step 2: Convert to fraction form
3,491,718.84/5,238,857.66 = 1,470,471.57/x - Step 3: Cross multiply
3,491,718.84x = 5,238,857.66 × 1,470,471.57 - Step 4: Simplify right side
3,491,718.84x = 7,703,591,248,306.73 - Step 5: Solve for x
x = 7,703,591,248,306.73/3,491,718.84 - Step 6: Final answer
x = 2,206,246.15
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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.