Finding the Fourth Proportional to 4,305,847.78, 6,457,751.35 and 1,231,743.84
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Solution
The fourth proportional to 4,305,847.78, 6,457,751.35 and 1,231,743.84 is: 1,847,323.88
Step by Step Solution
- Step 1: Write the proportion equation
4,305,847.78 : 6,457,751.35 = 1,231,743.84 : x - Step 2: Convert to fraction form
4,305,847.78/6,457,751.35 = 1,231,743.84/x - Step 3: Cross multiply
4,305,847.78x = 6,457,751.35 × 1,231,743.84 - Step 4: Simplify right side
4,305,847.78x = 7,954,295,427,543.65 - Step 5: Solve for x
x = 7,954,295,427,543.65/4,305,847.78 - Step 6: Final answer
x = 1,847,323.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.