Finding the Fourth Proportional to 2,661,532.11, 3,992,330.16 and 742,326.50
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Solution
The fourth proportional to 2,661,532.11, 3,992,330.16 and 742,326.50 is: 1,113,498.67
Step by Step Solution
- Step 1: Write the proportion equation
2,661,532.11 : 3,992,330.16 = 742,326.50 : x - Step 2: Convert to fraction form
2,661,532.11/3,992,330.16 = 742,326.50/x - Step 3: Cross multiply
2,661,532.11x = 3,992,330.16 × 742,326.50 - Step 4: Simplify right side
2,661,532.11x = 2,963,612,474,517.24 - Step 5: Solve for x
x = 2,963,612,474,517.24/2,661,532.11 - Step 6: Final answer
x = 1,113,498.67
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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.