Finding the Fourth Proportional to 3,192,335.77, 4,405,517.06 and 1,742,124.79
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Solution
The fourth proportional to 3,192,335.77, 4,405,517.06 and 1,742,124.79 is: 2,404,183.35
Step by Step Solution
- Step 1: Write the proportion equation
3,192,335.77 : 4,405,517.06 = 1,742,124.79 : x - Step 2: Convert to fraction form
3,192,335.77/4,405,517.06 = 1,742,124.79/x - Step 3: Cross multiply
3,192,335.77x = 4,405,517.06 × 1,742,124.79 - Step 4: Simplify right side
3,192,335.77x = 7,674,960,479,648.90 - Step 5: Solve for x
x = 7,674,960,479,648.90/3,192,335.77 - Step 6: Final answer
x = 2,404,183.35
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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.