Finding the Fourth Proportional to 3,711,228.60, 5,121,408.72 and 2,183,434.08
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Solution
The fourth proportional to 3,711,228.60, 5,121,408.72 and 2,183,434.08 is: 3,013,087.99
Step by Step Solution
- Step 1: Write the proportion equation
3,711,228.60 : 5,121,408.72 = 2,183,434.08 : x - Step 2: Convert to fraction form
3,711,228.60/5,121,408.72 = 2,183,434.08/x - Step 3: Cross multiply
3,711,228.60x = 5,121,408.72 × 2,183,434.08 - Step 4: Simplify right side
3,711,228.60x = 11,182,258,336,857.18 - Step 5: Solve for x
x = 11,182,258,336,857.18/3,711,228.60 - Step 6: Final answer
x = 3,013,087.99
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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.