Finding the Fourth Proportional to 1,754,145.44, 2,420,720.74 and 949,329.44
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Solution
The fourth proportional to 1,754,145.44, 2,420,720.74 and 949,329.44 is: 1,310,074.64
Step by Step Solution
- Step 1: Write the proportion equation
1,754,145.44 : 2,420,720.74 = 949,329.44 : x - Step 2: Convert to fraction form
1,754,145.44/2,420,720.74 = 949,329.44/x - Step 3: Cross multiply
1,754,145.44x = 2,420,720.74 × 949,329.44 - Step 4: Simplify right side
1,754,145.44x = 2,298,061,464,500.59 - Step 5: Solve for x
x = 2,298,061,464,500.59/1,754,145.44 - Step 6: Final answer
x = 1,310,074.64
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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.