Finding the Fourth Proportional to 5,257,791.28, 7,887,827.79 and 1,614,533.58
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Solution
The fourth proportional to 5,257,791.28, 7,887,827.79 and 1,614,533.58 is: 2,422,150.70
Step by Step Solution
- Step 1: Write the proportion equation
5,257,791.28 : 7,887,827.79 = 1,614,533.58 : x - Step 2: Convert to fraction form
5,257,791.28/7,887,827.79 = 1,614,533.58/x - Step 3: Cross multiply
5,257,791.28x = 7,887,827.79 × 1,614,533.58 - Step 4: Simplify right side
5,257,791.28x = 12,735,162,840,212.19 - Step 5: Solve for x
x = 12,735,162,840,212.19/5,257,791.28 - Step 6: Final answer
x = 2,422,150.70
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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.