Finding the Fourth Proportional to 2,190,782.04, 3,286,137.52 and 843,237.40
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Solution
The fourth proportional to 2,190,782.04, 3,286,137.52 and 843,237.40 is: 1,264,842.42
Step by Step Solution
- Step 1: Write the proportion equation
2,190,782.04 : 3,286,137.52 = 843,237.40 : x - Step 2: Convert to fraction form
2,190,782.04/3,286,137.52 = 843,237.40/x - Step 3: Cross multiply
2,190,782.04x = 3,286,137.52 × 843,237.40 - Step 4: Simplify right side
2,190,782.04x = 2,770,994,058,407.25 - Step 5: Solve for x
x = 2,770,994,058,407.25/2,190,782.04 - Step 6: Final answer
x = 1,264,842.42
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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.