Finding the Fourth Proportional to 3,932,117.99, 5,425,977.09 and 2,189,655.80
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Solution
The fourth proportional to 3,932,117.99, 5,425,977.09 and 2,189,655.80 is: 3,021,532.48
Step by Step Solution
- Step 1: Write the proportion equation
3,932,117.99 : 5,425,977.09 = 2,189,655.80 : x - Step 2: Convert to fraction form
3,932,117.99/5,425,977.09 = 2,189,655.80/x - Step 3: Cross multiply
3,932,117.99x = 5,425,977.09 × 2,189,655.80 - Step 4: Simplify right side
3,932,117.99x = 11,881,022,205,785.62 - Step 5: Solve for x
x = 11,881,022,205,785.62/3,932,117.99 - Step 6: Final answer
x = 3,021,532.48
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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.