Finding the Fourth Proportional to 4,581,620.80, 6,872,431.20 and 2,337,467.20
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Solution
The fourth proportional to 4,581,620.80, 6,872,431.20 and 2,337,467.20 is: 3,506,200.80
Step by Step Solution
- Step 1: Write the proportion equation
4,581,620.80 : 6,872,431.20 = 2,337,467.20 : x - Step 2: Convert to fraction form
4,581,620.80/6,872,431.20 = 2,337,467.20/x - Step 3: Cross multiply
4,581,620.80x = 6,872,431.20 × 2,337,467.20 - Step 4: Simplify right side
4,581,620.80x = 16,064,082,514,256.64 - Step 5: Solve for x
x = 16,064,082,514,256.64/4,581,620.80 - Step 6: Final answer
x = 3,506,200.80
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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.