Finding the Fourth Proportional to 4,870,232.76, 6,723,624.06 and 2,936,983.08
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Solution
The fourth proportional to 4,870,232.76, 6,723,624.06 and 2,936,983.08 is: 4,054,666.60
Step by Step Solution
- Step 1: Write the proportion equation
4,870,232.76 : 6,723,624.06 = 2,936,983.08 : x - Step 2: Convert to fraction form
4,870,232.76/6,723,624.06 = 2,936,983.08/x - Step 3: Cross multiply
4,870,232.76x = 6,723,624.06 × 2,936,983.08 - Step 4: Simplify right side
4,870,232.76x = 19,747,170,100,500.90 - Step 5: Solve for x
x = 19,747,170,100,500.90/4,870,232.76 - Step 6: Final answer
x = 4,054,666.60
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Double scale
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1.5x scale
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.