Finding the Fourth Proportional to 5,642,995.97, 7,787,380.23 and 3,064,695.23
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Solution
The fourth proportional to 5,642,995.97, 7,787,380.23 and 3,064,695.23 is: 4,229,304.28
Step by Step Solution
- Step 1: Write the proportion equation
5,642,995.97 : 7,787,380.23 = 3,064,695.23 : x - Step 2: Convert to fraction form
5,642,995.97/7,787,380.23 = 3,064,695.23/x - Step 3: Cross multiply
5,642,995.97x = 7,787,380.23 × 3,064,695.23 - Step 4: Simplify right side
5,642,995.97x = 23,865,947,006,140.40 - Step 5: Solve for x
x = 23,865,947,006,140.40/5,642,995.97 - Step 6: Final answer
x = 4,229,304.28
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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.