Finding the Fourth Proportional to 4,811,162.91, 6,639,404.27 and 2,877,423.18
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Solution
The fourth proportional to 4,811,162.91, 6,639,404.27 and 2,877,423.18 is: 3,970,843.66
Step by Step Solution
- Step 1: Write the proportion equation
4,811,162.91 : 6,639,404.27 = 2,877,423.18 : x - Step 2: Convert to fraction form
4,811,162.91/6,639,404.27 = 2,877,423.18/x - Step 3: Cross multiply
4,811,162.91x = 6,639,404.27 × 2,877,423.18 - Step 4: Simplify right side
4,811,162.91x = 19,104,375,733,501.86 - Step 5: Solve for x
x = 19,104,375,733,501.86/4,811,162.91 - Step 6: Final answer
x = 3,970,843.66
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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.