Finding the Fourth Proportional to 4,548,819.68, 6,274,739.76 and 2,939,187.68
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Solution
The fourth proportional to 4,548,819.68, 6,274,739.76 and 2,939,187.68 is: 4,054,378.74
Step by Step Solution
- Step 1: Write the proportion equation
4,548,819.68 : 6,274,739.76 = 2,939,187.68 : x - Step 2: Convert to fraction form
4,548,819.68/6,274,739.76 = 2,939,187.68/x - Step 3: Cross multiply
4,548,819.68x = 6,274,739.76 × 2,939,187.68 - Step 4: Simplify right side
4,548,819.68x = 18,442,637,797,798.16 - Step 5: Solve for x
x = 18,442,637,797,798.16/4,548,819.68 - Step 6: Final answer
x = 4,054,378.74
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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.