Finding the Fourth Proportional to 2,315,405.38, 3,193,502.34 and 2,028,427.24
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Solution
The fourth proportional to 2,315,405.38, 3,193,502.34 and 2,028,427.24 is: 2,797,690.28
Step by Step Solution
- Step 1: Write the proportion equation
2,315,405.38 : 3,193,502.34 = 2,028,427.24 : x - Step 2: Convert to fraction form
2,315,405.38/3,193,502.34 = 2,028,427.24/x - Step 3: Cross multiply
2,315,405.38x = 3,193,502.34 × 2,028,427.24 - Step 4: Simplify right side
2,315,405.38x = 6,477,787,137,459.74 - Step 5: Solve for x
x = 6,477,787,137,459.74/2,315,405.38 - Step 6: Final answer
x = 2,797,690.28
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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.