Finding the Fourth Proportional to 4,485,687.52, 6,190,194.40 and 2,551,943.68
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Solution
The fourth proportional to 4,485,687.52, 6,190,194.40 and 2,551,943.68 is: 3,521,651.34
Step by Step Solution
- Step 1: Write the proportion equation
4,485,687.52 : 6,190,194.40 = 2,551,943.68 : x - Step 2: Convert to fraction form
4,485,687.52/6,190,194.40 = 2,551,943.68/x - Step 3: Cross multiply
4,485,687.52x = 6,190,194.40 × 2,551,943.68 - Step 4: Simplify right side
4,485,687.52x = 15,797,027,477,051.39 - Step 5: Solve for x
x = 15,797,027,477,051.39/4,485,687.52 - Step 6: Final answer
x = 3,521,651.34
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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.