Finding the Fourth Proportional to 5,447,176.20, 8,170,764.30 and 3,620,593.80
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Solution
The fourth proportional to 5,447,176.20, 8,170,764.30 and 3,620,593.80 is: 5,430,890.70
Step by Step Solution
- Step 1: Write the proportion equation
5,447,176.20 : 8,170,764.30 = 3,620,593.80 : x - Step 2: Convert to fraction form
5,447,176.20/8,170,764.30 = 3,620,593.80/x - Step 3: Cross multiply
5,447,176.20x = 8,170,764.30 × 3,620,593.80 - Step 4: Simplify right side
5,447,176.20x = 29,583,018,565,841.34 - Step 5: Solve for x
x = 29,583,018,565,841.34/5,447,176.20 - Step 6: Final answer
x = 5,430,890.70
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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.