Finding the Fourth Proportional to 5,607,310.05, 7,738,094.77 and 3,028,990.84
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Solution
The fourth proportional to 5,607,310.05, 7,738,094.77 and 3,028,990.84 is: 4,180,011.09
Step by Step Solution
- Step 1: Write the proportion equation
5,607,310.05 : 7,738,094.77 = 3,028,990.84 : x - Step 2: Convert to fraction form
5,607,310.05/7,738,094.77 = 3,028,990.84/x - Step 3: Cross multiply
5,607,310.05x = 7,738,094.77 × 3,028,990.84 - Step 4: Simplify right side
5,607,310.05x = 23,438,618,177,381.90 - Step 5: Solve for x
x = 23,438,618,177,381.90/5,607,310.05 - Step 6: Final answer
x = 4,180,011.09
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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.