Finding the Fourth Proportional to 4,821,121.56, 6,653,229.42 and 2,645,867.10
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Solution
The fourth proportional to 4,821,121.56, 6,653,229.42 and 2,645,867.10 is: 3,651,341.42
Step by Step Solution
- Step 1: Write the proportion equation
4,821,121.56 : 6,653,229.42 = 2,645,867.10 : x - Step 2: Convert to fraction form
4,821,121.56/6,653,229.42 = 2,645,867.10/x - Step 3: Cross multiply
4,821,121.56x = 6,653,229.42 × 2,645,867.10 - Step 4: Simplify right side
4,821,121.56x = 17,603,560,831,130.08 - Step 5: Solve for x
x = 17,603,560,831,130.08/4,821,121.56 - Step 6: Final answer
x = 3,651,341.42
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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.