Finding the Fourth Proportional to 2,515,876.16, 3,471,804.84 and 1,369,953.76
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Solution
The fourth proportional to 2,515,876.16, 3,471,804.84 and 1,369,953.76 is: 1,890,479.42
Step by Step Solution
- Step 1: Write the proportion equation
2,515,876.16 : 3,471,804.84 = 1,369,953.76 : x - Step 2: Convert to fraction form
2,515,876.16/3,471,804.84 = 1,369,953.76/x - Step 3: Cross multiply
2,515,876.16x = 3,471,804.84 × 1,369,953.76 - Step 4: Simplify right side
2,515,876.16x = 4,756,212,094,544.20 - Step 5: Solve for x
x = 4,756,212,094,544.20/2,515,876.16 - Step 6: Final answer
x = 1,890,479.42
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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.