Finding the Fourth Proportional to 3,888,057.38, 5,365,648.01 and 2,122,052.18
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Solution
The fourth proportional to 3,888,057.38, 5,365,648.01 and 2,122,052.18 is: 2,928,502.32
Step by Step Solution
- Step 1: Write the proportion equation
3,888,057.38 : 5,365,648.01 = 2,122,052.18 : x - Step 2: Convert to fraction form
3,888,057.38/5,365,648.01 = 2,122,052.18/x - Step 3: Cross multiply
3,888,057.38x = 5,365,648.01 × 2,122,052.18 - Step 4: Simplify right side
3,888,057.38x = 11,386,185,056,733.16 - Step 5: Solve for x
x = 11,386,185,056,733.16/3,888,057.38 - Step 6: Final answer
x = 2,928,502.32
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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.