Finding the Fourth Proportional to 3,808,789.96, 5,256,220.98 and 2,177,349.12
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Solution
The fourth proportional to 3,808,789.96, 5,256,220.98 and 2,177,349.12 is: 3,004,793.71
Step by Step Solution
- Step 1: Write the proportion equation
3,808,789.96 : 5,256,220.98 = 2,177,349.12 : x - Step 2: Convert to fraction form
3,808,789.96/5,256,220.98 = 2,177,349.12/x - Step 3: Cross multiply
3,808,789.96x = 5,256,220.98 × 2,177,349.12 - Step 4: Simplify right side
3,808,789.96x = 11,444,628,125,328.54 - Step 5: Solve for x
x = 11,444,628,125,328.54/3,808,789.96 - Step 6: Final answer
x = 3,004,793.71
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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.