Finding the Fourth Proportional to 2,305,239.26, 3,181,215.20 and 1,272,811.23
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Solution
The fourth proportional to 2,305,239.26, 3,181,215.20 and 1,272,811.23 is: 1,756,471.23
Step by Step Solution
- Step 1: Write the proportion equation
2,305,239.26 : 3,181,215.20 = 1,272,811.23 : x - Step 2: Convert to fraction form
2,305,239.26/3,181,215.20 = 1,272,811.23/x - Step 3: Cross multiply
2,305,239.26x = 3,181,215.20 × 1,272,811.23 - Step 4: Simplify right side
2,305,239.26x = 4,049,086,425,242.64 - Step 5: Solve for x
x = 4,049,086,425,242.64/2,305,239.26 - Step 6: Final answer
x = 1,756,471.23
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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.