Finding the Fourth Proportional to 2,102,833.36, 2,902,878.78 and 1,231,546.84
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Solution
The fourth proportional to 2,102,833.36, 2,902,878.78 and 1,231,546.84 is: 1,700,101.99
Step by Step Solution
- Step 1: Write the proportion equation
2,102,833.36 : 2,902,878.78 = 1,231,546.84 : x - Step 2: Convert to fraction form
2,102,833.36/2,902,878.78 = 1,231,546.84/x - Step 3: Cross multiply
2,102,833.36x = 2,902,878.78 × 1,231,546.84 - Step 4: Simplify right side
2,102,833.36x = 3,575,031,188,412.06 - Step 5: Solve for x
x = 3,575,031,188,412.06/2,102,833.36 - Step 6: Final answer
x = 1,700,101.99
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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.