Finding the Fourth Proportional to 4,623,840.21, 6,380,890.25 and 2,586,649.71
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Solution
The fourth proportional to 4,623,840.21, 6,380,890.25 and 2,586,649.71 is: 3,569,571.43
Step by Step Solution
- Step 1: Write the proportion equation
4,623,840.21 : 6,380,890.25 = 2,586,649.71 : x - Step 2: Convert to fraction form
4,623,840.21/6,380,890.25 = 2,586,649.71/x - Step 3: Cross multiply
4,623,840.21x = 6,380,890.25 × 2,586,649.71 - Step 4: Simplify right side
4,623,840.21x = 16,505,127,901,771.08 - Step 5: Solve for x
x = 16,505,127,901,771.08/4,623,840.21 - Step 6: Final answer
x = 3,569,571.43
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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.