Finding the Fourth Proportional to 4,689,339.40, 6,471,149.17 and 2,596,275.03
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Solution
The fourth proportional to 4,689,339.40, 6,471,149.17 and 2,596,275.03 is: 3,582,782.47
Step by Step Solution
- Step 1: Write the proportion equation
4,689,339.40 : 6,471,149.17 = 2,596,275.03 : x - Step 2: Convert to fraction form
4,689,339.40/6,471,149.17 = 2,596,275.03/x - Step 3: Cross multiply
4,689,339.40x = 6,471,149.17 × 2,596,275.03 - Step 4: Simplify right side
4,689,339.40x = 16,800,883,005,476.22 - Step 5: Solve for x
x = 16,800,883,005,476.22/4,689,339.40 - Step 6: Final answer
x = 3,582,782.47
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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.