Finding the Fourth Proportional to 5,533,098.72, 8,299,640.74 and 1,489,590.99
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Solution
The fourth proportional to 5,533,098.72, 8,299,640.74 and 1,489,590.99 is: 2,234,384.50
Step by Step Solution
- Step 1: Write the proportion equation
5,533,098.72 : 8,299,640.74 = 1,489,590.99 : x - Step 2: Convert to fraction form
5,533,098.72/8,299,640.74 = 1,489,590.99/x - Step 3: Cross multiply
5,533,098.72x = 8,299,640.74 × 1,489,590.99 - Step 4: Simplify right side
5,533,098.72x = 12,363,070,040,172.24 - Step 5: Solve for x
x = 12,363,070,040,172.24/5,533,098.72 - Step 6: Final answer
x = 2,234,384.50
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1.5x scale
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.