Finding the Fourth Proportional to 4,028,254.74, 5,559,062.40 and 2,192,765.78
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Solution
The fourth proportional to 4,028,254.74, 5,559,062.40 and 2,192,765.78 is: 3,026,055.35
Step by Step Solution
- Step 1: Write the proportion equation
4,028,254.74 : 5,559,062.40 = 2,192,765.78 : x - Step 2: Convert to fraction form
4,028,254.74/5,559,062.40 = 2,192,765.78/x - Step 3: Cross multiply
4,028,254.74x = 5,559,062.40 × 2,192,765.78 - Step 4: Simplify right side
4,028,254.74x = 12,189,721,813,502.33 - Step 5: Solve for x
x = 12,189,721,813,502.33/4,028,254.74 - Step 6: Final answer
x = 3,026,055.35
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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.