Finding the Fourth Proportional to 5,958,720.21, 8,938,163.36 and 1,698,888.45
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Solution
The fourth proportional to 5,958,720.21, 8,938,163.36 and 1,698,888.45 is: 2,548,356.35
Step by Step Solution
- Step 1: Write the proportion equation
5,958,720.21 : 8,938,163.36 = 1,698,888.45 : x - Step 2: Convert to fraction form
5,958,720.21/8,938,163.36 = 1,698,888.45/x - Step 3: Cross multiply
5,958,720.21x = 8,938,163.36 × 1,698,888.45 - Step 4: Simplify right side
5,958,720.21x = 15,184,942,496,517.19 - Step 5: Solve for x
x = 15,184,942,496,517.19/5,958,720.21 - Step 6: Final answer
x = 2,548,356.35
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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.