Finding the Fourth Proportional to 5,390,715.90, 8,086,199.61 and 1,796,775.06
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Solution
The fourth proportional to 5,390,715.90, 8,086,199.61 and 1,796,775.06 is: 2,695,204.50
Step by Step Solution
- Step 1: Write the proportion equation
5,390,715.90 : 8,086,199.61 = 1,796,775.06 : x - Step 2: Convert to fraction form
5,390,715.90/8,086,199.61 = 1,796,775.06/x - Step 3: Cross multiply
5,390,715.90x = 8,086,199.61 × 1,796,775.06 - Step 4: Simplify right side
5,390,715.90x = 14,529,081,740,014.85 - Step 5: Solve for x
x = 14,529,081,740,014.85/5,390,715.90 - Step 6: Final answer
x = 2,695,204.50
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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.