Finding the Fourth Proportional to 2,390,491.62, 3,586,437.78 and 771,227.64
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Solution
The fourth proportional to 2,390,491.62, 3,586,437.78 and 771,227.64 is: 1,157,067.41
Step by Step Solution
- Step 1: Write the proportion equation
2,390,491.62 : 3,586,437.78 = 771,227.64 : x - Step 2: Convert to fraction form
2,390,491.62/3,586,437.78 = 771,227.64/x - Step 3: Cross multiply
2,390,491.62x = 3,586,437.78 × 771,227.64 - Step 4: Simplify right side
2,390,491.62x = 2,765,959,945,076.24 - Step 5: Solve for x
x = 2,765,959,945,076.24/2,390,491.62 - Step 6: Final answer
x = 1,157,067.41
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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.