Finding the Fourth Proportional to 4,811,105.16, 6,639,324.57 and 2,877,365.43
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Solution
The fourth proportional to 4,811,105.16, 6,639,324.57 and 2,877,365.43 is: 3,970,763.96
Step by Step Solution
- Step 1: Write the proportion equation
4,811,105.16 : 6,639,324.57 = 2,877,365.43 : x - Step 2: Convert to fraction form
4,811,105.16/6,639,324.57 = 2,877,365.43/x - Step 3: Cross multiply
4,811,105.16x = 6,639,324.57 × 2,877,365.43 - Step 4: Simplify right side
4,811,105.16x = 19,103,762,996,267.62 - Step 5: Solve for x
x = 19,103,762,996,267.62/4,811,105.16 - Step 6: Final answer
x = 3,970,763.96
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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.