Finding the Fourth Proportional to 4,570,327.21, 6,306,961.38 and 2,505,347.23
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Solution
The fourth proportional to 4,570,327.21, 6,306,961.38 and 2,505,347.23 is: 3,457,329.75
Step by Step Solution
- Step 1: Write the proportion equation
4,570,327.21 : 6,306,961.38 = 2,505,347.23 : x - Step 2: Convert to fraction form
4,570,327.21/6,306,961.38 = 2,505,347.23/x - Step 3: Cross multiply
4,570,327.21x = 6,306,961.38 × 2,505,347.23 - Step 4: Simplify right side
4,570,327.21x = 15,801,128,223,099.98 - Step 5: Solve for x
x = 15,801,128,223,099.98/4,570,327.21 - Step 6: Final answer
x = 3,457,329.75
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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.