Finding the Fourth Proportional to 2,309,542.80, 3,457,753.20 and 2,183,863.20
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Solution
The fourth proportional to 2,309,542.80, 3,457,753.20 and 2,183,863.20 is: 3,269,590.83
Step by Step Solution
- Step 1: Write the proportion equation
2,309,542.80 : 3,457,753.20 = 2,183,863.20 : x - Step 2: Convert to fraction form
2,309,542.80/3,457,753.20 = 2,183,863.20/x - Step 3: Cross multiply
2,309,542.80x = 3,457,753.20 × 2,183,863.20 - Step 4: Simplify right side
2,309,542.80x = 7,551,259,968,162.24 - Step 5: Solve for x
x = 7,551,259,968,162.24/2,309,542.80 - Step 6: Final answer
x = 3,269,590.83
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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.