Finding the Fourth Proportional to 4,795,632.22, 6,617,895.23 and 2,620,128.66
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Solution
The fourth proportional to 4,795,632.22, 6,617,895.23 and 2,620,128.66 is: 3,615,735.35
Step by Step Solution
- Step 1: Write the proportion equation
4,795,632.22 : 6,617,895.23 = 2,620,128.66 : x - Step 2: Convert to fraction form
4,795,632.22/6,617,895.23 = 2,620,128.66/x - Step 3: Cross multiply
4,795,632.22x = 6,617,895.23 × 2,620,128.66 - Step 4: Simplify right side
4,795,632.22x = 17,339,736,961,000.29 - Step 5: Solve for x
x = 17,339,736,961,000.29/4,795,632.22 - Step 6: Final answer
x = 3,615,735.35
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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.