Finding the Fourth Proportional to 2,250,911.28, 3,106,553.38 and 1,283,819.88
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Solution
The fourth proportional to 2,250,911.28, 3,106,553.38 and 1,283,819.88 is: 1,771,840.15
Step by Step Solution
- Step 1: Write the proportion equation
2,250,911.28 : 3,106,553.38 = 1,283,819.88 : x - Step 2: Convert to fraction form
2,250,911.28/3,106,553.38 = 1,283,819.88/x - Step 3: Cross multiply
2,250,911.28x = 3,106,553.38 × 1,283,819.88 - Step 4: Simplify right side
2,250,911.28x = 3,988,254,987,525.19 - Step 5: Solve for x
x = 3,988,254,987,525.19/2,250,911.28 - Step 6: Final answer
x = 1,771,840.15
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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.