Finding the Fourth Proportional to 1,936,464.76, 2,672,134.26 and 1,120,506.04
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Solution
The fourth proportional to 1,936,464.76, 2,672,134.26 and 1,120,506.04 is: 1,546,190.07
Step by Step Solution
- Step 1: Write the proportion equation
1,936,464.76 : 2,672,134.26 = 1,120,506.04 : x - Step 2: Convert to fraction form
1,936,464.76/2,672,134.26 = 1,120,506.04/x - Step 3: Cross multiply
1,936,464.76x = 2,672,134.26 × 1,120,506.04 - Step 4: Simplify right side
1,936,464.76x = 2,994,142,578,020.93 - Step 5: Solve for x
x = 2,994,142,578,020.93/1,936,464.76 - Step 6: Final answer
x = 1,546,190.07
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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.