Finding the Fourth Proportional to 3,221,371.26, 4,445,522.73 and 1,771,076.79
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Solution
The fourth proportional to 3,221,371.26, 4,445,522.73 and 1,771,076.79 is: 2,444,102.68
Step by Step Solution
- Step 1: Write the proportion equation
3,221,371.26 : 4,445,522.73 = 1,771,076.79 : x - Step 2: Convert to fraction form
3,221,371.26/4,445,522.73 = 1,771,076.79/x - Step 3: Cross multiply
3,221,371.26x = 4,445,522.73 × 1,771,076.79 - Step 4: Simplify right side
3,221,371.26x = 7,873,362,126,520.44 - Step 5: Solve for x
x = 7,873,362,126,520.44/3,221,371.26 - Step 6: Final answer
x = 2,444,102.68
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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.