Finding the Fourth Proportional to 6,514,761.52, 8,990,381.28 and 3,614,152.36
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Solution
The fourth proportional to 6,514,761.52, 8,990,381.28 and 3,614,152.36 is: 4,987,536.02
Step by Step Solution
- Step 1: Write the proportion equation
6,514,761.52 : 8,990,381.28 = 3,614,152.36 : x - Step 2: Convert to fraction form
6,514,761.52/8,990,381.28 = 3,614,152.36/x - Step 3: Cross multiply
6,514,761.52x = 8,990,381.28 × 3,614,152.36 - Step 4: Simplify right side
6,514,761.52x = 32,492,607,720,411.82 - Step 5: Solve for x
x = 32,492,607,720,411.82/6,514,761.52 - Step 6: Final answer
x = 4,987,536.02
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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.