Finding the Fourth Proportional to 4,596,638.29, 6,340,323.09 and 2,874,769.45
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Solution
The fourth proportional to 4,596,638.29, 6,340,323.09 and 2,874,769.45 is: 3,965,282.01
Step by Step Solution
- Step 1: Write the proportion equation
4,596,638.29 : 6,340,323.09 = 2,874,769.45 : x - Step 2: Convert to fraction form
4,596,638.29/6,340,323.09 = 2,874,769.45/x - Step 3: Cross multiply
4,596,638.29x = 6,340,323.09 × 2,874,769.45 - Step 4: Simplify right side
4,596,638.29x = 18,226,967,117,191.18 - Step 5: Solve for x
x = 18,226,967,117,191.18/4,596,638.29 - Step 6: Final answer
x = 3,965,282.01
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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.