Finding the Fourth Proportional to 1,860,901.12, 2,791,351.68 and 513,074.08
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Solution
The fourth proportional to 1,860,901.12, 2,791,351.68 and 513,074.08 is: 769,611.12
Step by Step Solution
- Step 1: Write the proportion equation
1,860,901.12 : 2,791,351.68 = 513,074.08 : x - Step 2: Convert to fraction form
1,860,901.12/2,791,351.68 = 513,074.08/x - Step 3: Cross multiply
1,860,901.12x = 2,791,351.68 × 513,074.08 - Step 4: Simplify right side
1,860,901.12x = 1,432,170,195,172.45 - Step 5: Solve for x
x = 1,432,170,195,172.45/1,860,901.12 - Step 6: Final answer
x = 769,611.12
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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.