Finding the Fourth Proportional to 1,467,812.10, 2,201,718.15 and 989,515.20
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Solution
The fourth proportional to 1,467,812.10, 2,201,718.15 and 989,515.20 is: 1,484,272.80
Step by Step Solution
- Step 1: Write the proportion equation
1,467,812.10 : 2,201,718.15 = 989,515.20 : x - Step 2: Convert to fraction form
1,467,812.10/2,201,718.15 = 989,515.20/x - Step 3: Cross multiply
1,467,812.10x = 2,201,718.15 × 989,515.20 - Step 4: Simplify right side
1,467,812.10x = 2,178,633,575,540.88 - Step 5: Solve for x
x = 2,178,633,575,540.88/1,467,812.10 - Step 6: Final answer
x = 1,484,272.80
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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.