Finding the Fourth Proportional to 3,639,792.41, 5,459,690.43 and 1,243,660.53
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Solution
The fourth proportional to 3,639,792.41, 5,459,690.43 and 1,243,660.53 is: 1,865,491.42
Step by Step Solution
- Step 1: Write the proportion equation
3,639,792.41 : 5,459,690.43 = 1,243,660.53 : x - Step 2: Convert to fraction form
3,639,792.41/5,459,690.43 = 1,243,660.53/x - Step 3: Cross multiply
3,639,792.41x = 5,459,690.43 × 1,243,660.53 - Step 4: Simplify right side
3,639,792.41x = 6,790,001,487,591.43 - Step 5: Solve for x
x = 6,790,001,487,591.43/3,639,792.41 - Step 6: Final answer
x = 1,865,491.42
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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.