Finding the Fourth Proportional to 2,515,873.65, 3,471,801.39 and 1,369,951.26
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Solution
The fourth proportional to 2,515,873.65, 3,471,801.39 and 1,369,951.26 is: 1,890,475.97
Step by Step Solution
- Step 1: Write the proportion equation
2,515,873.65 : 3,471,801.39 = 1,369,951.26 : x - Step 2: Convert to fraction form
2,515,873.65/3,471,801.39 = 1,369,951.26/x - Step 3: Cross multiply
2,515,873.65x = 3,471,801.39 × 1,369,951.26 - Step 4: Simplify right side
2,515,873.65x = 4,756,198,688,700.25 - Step 5: Solve for x
x = 4,756,198,688,700.25/2,515,873.65 - Step 6: Final answer
x = 1,890,475.97
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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.