Finding the Fourth Proportional to 5,516,188.83, 8,275,480.21 and 1,677,911.49
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Solution
The fourth proportional to 5,516,188.83, 8,275,480.21 and 1,677,911.49 is: 2,517,231.33
Step by Step Solution
- Step 1: Write the proportion equation
5,516,188.83 : 8,275,480.21 = 1,677,911.49 : x - Step 2: Convert to fraction form
5,516,188.83/8,275,480.21 = 1,677,911.49/x - Step 3: Cross multiply
5,516,188.83x = 8,275,480.21 × 1,677,911.49 - Step 4: Simplify right side
5,516,188.83x = 13,885,523,322,285.75 - Step 5: Solve for x
x = 13,885,523,322,285.75/5,516,188.83 - Step 6: Final answer
x = 2,517,231.33
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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.