Finding the Fourth Proportional to 4,205,723.42, 5,803,759.86 and 2,657,812.26
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Solution
The fourth proportional to 4,205,723.42, 5,803,759.86 and 2,657,812.26 is: 3,667,693.42
Step by Step Solution
- Step 1: Write the proportion equation
4,205,723.42 : 5,803,759.86 = 2,657,812.26 : x - Step 2: Convert to fraction form
4,205,723.42/5,803,759.86 = 2,657,812.26/x - Step 3: Cross multiply
4,205,723.42x = 5,803,759.86 × 2,657,812.26 - Step 4: Simplify right side
4,205,723.42x = 15,425,304,110,003.88 - Step 5: Solve for x
x = 15,425,304,110,003.88/4,205,723.42 - Step 6: Final answer
x = 3,667,693.42
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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.