Finding the Fourth Proportional to 3,862,920.40, 5,794,351.80 and 1,167,240.40
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Solution
The fourth proportional to 3,862,920.40, 5,794,351.80 and 1,167,240.40 is: 1,750,851.90
Step by Step Solution
- Step 1: Write the proportion equation
3,862,920.40 : 5,794,351.80 = 1,167,240.40 : x - Step 2: Convert to fraction form
3,862,920.40/5,794,351.80 = 1,167,240.40/x - Step 3: Cross multiply
3,862,920.40x = 5,794,351.80 × 1,167,240.40 - Step 4: Simplify right side
3,862,920.40x = 6,763,401,512,772.72 - Step 5: Solve for x
x = 6,763,401,512,772.72/3,862,920.40 - Step 6: Final answer
x = 1,750,851.90
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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.