Finding the Fourth Proportional to 4,656,432.69, 6,425,790.84 and 2,591,430.03
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Solution
The fourth proportional to 4,656,432.69, 6,425,790.84 and 2,591,430.03 is: 3,576,125.43
Step by Step Solution
- Step 1: Write the proportion equation
4,656,432.69 : 6,425,790.84 = 2,591,430.03 : x - Step 2: Convert to fraction form
4,656,432.69/6,425,790.84 = 2,591,430.03/x - Step 3: Cross multiply
4,656,432.69x = 6,425,790.84 × 2,591,430.03 - Step 4: Simplify right side
4,656,432.69x = 16,651,987,349,274.92 - Step 5: Solve for x
x = 16,651,987,349,274.92/4,656,432.69 - Step 6: Final answer
x = 3,576,125.43
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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.