Finding the Fourth Proportional to 3,135,138.84, 4,702,117.62 and 1,216,046.40
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Solution
The fourth proportional to 3,135,138.84, 4,702,117.62 and 1,216,046.40 is: 1,823,840.50
Step by Step Solution
- Step 1: Write the proportion equation
3,135,138.84 : 4,702,117.62 = 1,216,046.40 : x - Step 2: Convert to fraction form
3,135,138.84/4,702,117.62 = 1,216,046.40/x - Step 3: Cross multiply
3,135,138.84x = 4,702,117.62 × 1,216,046.40 - Step 4: Simplify right side
3,135,138.84x = 5,717,993,204,177.57 - Step 5: Solve for x
x = 5,717,993,204,177.57/3,135,138.84 - Step 6: Final answer
x = 1,823,840.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.