Finding the Fourth Proportional to 2,807,445.80, 4,212,626.70 and 1,311,537.80
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Solution
The fourth proportional to 2,807,445.80, 4,212,626.70 and 1,311,537.80 is: 1,967,987.83
Step by Step Solution
- Step 1: Write the proportion equation
2,807,445.80 : 4,212,626.70 = 1,311,537.80 : x - Step 2: Convert to fraction form
2,807,445.80/4,212,626.70 = 1,311,537.80/x - Step 3: Cross multiply
2,807,445.80x = 4,212,626.70 × 1,311,537.80 - Step 4: Simplify right side
2,807,445.80x = 5,525,019,154,339.26 - Step 5: Solve for x
x = 5,525,019,154,339.26/2,807,445.80 - Step 6: Final answer
x = 1,967,987.83
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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.