Finding the Fourth Proportional to 2,383,476.74, 3,576,789.75 and 1,121,402.78
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Solution
The fourth proportional to 2,383,476.74, 3,576,789.75 and 1,121,402.78 is: 1,682,845.02
Step by Step Solution
- Step 1: Write the proportion equation
2,383,476.74 : 3,576,789.75 = 1,121,402.78 : x - Step 2: Convert to fraction form
2,383,476.74/3,576,789.75 = 1,121,402.78/x - Step 3: Cross multiply
2,383,476.74x = 3,576,789.75 × 1,121,402.78 - Step 4: Simplify right side
2,383,476.74x = 4,011,021,968,859.78 - Step 5: Solve for x
x = 4,011,021,968,859.78/2,383,476.74 - Step 6: Final answer
x = 1,682,845.02
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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.