Finding the Fourth Proportional to 4,641,786.41, 6,405,563.84 and 2,576,681.28
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Solution
The fourth proportional to 4,641,786.41, 6,405,563.84 and 2,576,681.28 is: 3,555,763.88
Step by Step Solution
- Step 1: Write the proportion equation
4,641,786.41 : 6,405,563.84 = 2,576,681.28 : x - Step 2: Convert to fraction form
4,641,786.41/6,405,563.84 = 2,576,681.28/x - Step 3: Cross multiply
4,641,786.41x = 6,405,563.84 × 2,576,681.28 - Step 4: Simplify right side
4,641,786.41x = 16,505,096,421,489.51 - Step 5: Solve for x
x = 16,505,096,421,489.51/4,641,786.41 - Step 6: Final answer
x = 3,555,763.88
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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.