Finding the Fourth Proportional to 5,993,959.69, 8,272,421.90 and 3,930,711.09
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Solution
The fourth proportional to 5,993,959.69, 8,272,421.90 and 3,930,711.09 is: 5,424,878.07
Step by Step Solution
- Step 1: Write the proportion equation
5,993,959.69 : 8,272,421.90 = 3,930,711.09 : x - Step 2: Convert to fraction form
5,993,959.69/8,272,421.90 = 3,930,711.09/x - Step 3: Cross multiply
5,993,959.69x = 8,272,421.90 × 3,930,711.09 - Step 4: Simplify right side
5,993,959.69x = 32,516,500,503,488.87 - Step 5: Solve for x
x = 32,516,500,503,488.87/5,993,959.69 - Step 6: Final answer
x = 5,424,878.07
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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.