Finding the Fourth Proportional to 1,354,969.28, 2,034,980.35 and 1,192,920.82
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Solution
The fourth proportional to 1,354,969.28, 2,034,980.35 and 1,192,920.82 is: 1,791,605.50
Step by Step Solution
- Step 1: Write the proportion equation
1,354,969.28 : 2,034,980.35 = 1,192,920.82 : x - Step 2: Convert to fraction form
1,354,969.28/2,034,980.35 = 1,192,920.82/x - Step 3: Cross multiply
1,354,969.28x = 2,034,980.35 × 1,192,920.82 - Step 4: Simplify right side
1,354,969.28x = 2,427,570,419,736.13 - Step 5: Solve for x
x = 2,427,570,419,736.13/1,354,969.28 - Step 6: Final answer
x = 1,791,605.50
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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.