Finding the Fourth Proportional to 2,753,765.80, 4,128,080.64 and 930,862.48
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Solution
The fourth proportional to 2,753,765.80, 4,128,080.64 and 930,862.48 is: 1,395,425.63
Step by Step Solution
- Step 1: Write the proportion equation
2,753,765.80 : 4,128,080.64 = 930,862.48 : x - Step 2: Convert to fraction form
2,753,765.80/4,128,080.64 = 930,862.48/x - Step 3: Cross multiply
2,753,765.80x = 4,128,080.64 × 930,862.48 - Step 4: Simplify right side
2,753,765.80x = 3,842,675,382,190.39 - Step 5: Solve for x
x = 3,842,675,382,190.39/2,753,765.80 - Step 6: Final answer
x = 1,395,425.63
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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.