Finding the Fourth Proportional to 2,628,093.12, 3,626,768.16 and 1,420,869.12
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Solution
The fourth proportional to 2,628,093.12, 3,626,768.16 and 1,420,869.12 is: 1,960,799.20
Step by Step Solution
- Step 1: Write the proportion equation
2,628,093.12 : 3,626,768.16 = 1,420,869.12 : x - Step 2: Convert to fraction form
2,628,093.12/3,626,768.16 = 1,420,869.12/x - Step 3: Cross multiply
2,628,093.12x = 3,626,768.16 × 1,420,869.12 - Step 4: Simplify right side
2,628,093.12x = 5,153,162,883,943.22 - Step 5: Solve for x
x = 5,153,162,883,943.22/2,628,093.12 - Step 6: Final answer
x = 1,960,799.20
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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.