Finding the Fourth Proportional to 1,603,895.85, 2,213,376.20 and 878,771.07
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Solution
The fourth proportional to 1,603,895.85, 2,213,376.20 and 878,771.07 is: 1,212,704.03
Step by Step Solution
- Step 1: Write the proportion equation
1,603,895.85 : 2,213,376.20 = 878,771.07 : x - Step 2: Convert to fraction form
1,603,895.85/2,213,376.20 = 878,771.07/x - Step 3: Cross multiply
1,603,895.85x = 2,213,376.20 × 878,771.07 - Step 4: Simplify right side
1,603,895.85x = 1,945,050,960,519.65 - Step 5: Solve for x
x = 1,945,050,960,519.65/1,603,895.85 - Step 6: Final answer
x = 1,212,704.03
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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.