Finding the Fourth Proportional to 1,986,859.44, 2,980,792.17 and 566,920.53
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Solution
The fourth proportional to 1,986,859.44, 2,980,792.17 and 566,920.53 is: 850,524.32
Step by Step Solution
- Step 1: Write the proportion equation
1,986,859.44 : 2,980,792.17 = 566,920.53 : x - Step 2: Convert to fraction form
1,986,859.44/2,980,792.17 = 566,920.53/x - Step 3: Cross multiply
1,986,859.44x = 2,980,792.17 × 566,920.53 - Step 4: Simplify right side
1,986,859.44x = 1,689,872,276,836.25 - Step 5: Solve for x
x = 1,689,872,276,836.25/1,986,859.44 - Step 6: Final answer
x = 850,524.32
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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.