Finding the Fourth Proportional to 5,432,466.38, 7,496,778.99 and 2,985,070.31
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Solution
The fourth proportional to 5,432,466.38, 7,496,778.99 and 2,985,070.31 is: 4,119,383.50
Step by Step Solution
- Step 1: Write the proportion equation
5,432,466.38 : 7,496,778.99 = 2,985,070.31 : x - Step 2: Convert to fraction form
5,432,466.38/7,496,778.99 = 2,985,070.31/x - Step 3: Cross multiply
5,432,466.38x = 7,496,778.99 × 2,985,070.31 - Step 4: Simplify right side
5,432,466.38x = 22,378,412,383,680.79 - Step 5: Solve for x
x = 22,378,412,383,680.79/5,432,466.38 - Step 6: Final answer
x = 4,119,383.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.