Finding the Fourth Proportional to 3,217,405.66, 4,843,502.60 and 2,931,057.60
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Solution
The fourth proportional to 3,217,405.66, 4,843,502.60 and 2,931,057.60 is: 4,412,432.45
Step by Step Solution
- Step 1: Write the proportion equation
3,217,405.66 : 4,843,502.60 = 2,931,057.60 : x - Step 2: Convert to fraction form
3,217,405.66/4,843,502.60 = 2,931,057.60/x - Step 3: Cross multiply
3,217,405.66x = 4,843,502.60 × 2,931,057.60 - Step 4: Simplify right side
3,217,405.66x = 14,196,585,127,399.37 - Step 5: Solve for x
x = 14,196,585,127,399.37/3,217,405.66 - Step 6: Final answer
x = 4,412,432.45
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.