Finding the Fourth Proportional to 3,489,858.20, 5,230,899.30 and 1,359,234.20
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Solution
The fourth proportional to 3,489,858.20, 5,230,899.30 and 1,359,234.20 is: 2,037,337.00
Step by Step Solution
- Step 1: Write the proportion equation
3,489,858.20 : 5,230,899.30 = 1,359,234.20 : x - Step 2: Convert to fraction form
3,489,858.20/5,230,899.30 = 1,359,234.20/x - Step 3: Cross multiply
3,489,858.20x = 5,230,899.30 × 1,359,234.20 - Step 4: Simplify right side
3,489,858.20x = 7,110,017,225,316.06 - Step 5: Solve for x
x = 7,110,017,225,316.06/3,489,858.20 - Step 6: Final answer
x = 2,037,337.00
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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.