Finding the Fourth Proportional to 4,272,979.70, 5,896,712.19 and 2,339,240.28
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Solution
The fourth proportional to 4,272,979.70, 5,896,712.19 and 2,339,240.28 is: 3,228,151.70
Step by Step Solution
- Step 1: Write the proportion equation
4,272,979.70 : 5,896,712.19 = 2,339,240.28 : x - Step 2: Convert to fraction form
4,272,979.70/5,896,712.19 = 2,339,240.28/x - Step 3: Cross multiply
4,272,979.70x = 5,896,712.19 × 2,339,240.28 - Step 4: Simplify right side
4,272,979.70x = 13,793,826,689,344.23 - Step 5: Solve for x
x = 13,793,826,689,344.23/4,272,979.70 - Step 6: Final answer
x = 3,228,151.70
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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.