Finding the Fourth Proportional to 4,974,649.62, 7,461,890.82 and 2,240,676.24
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Solution
The fourth proportional to 4,974,649.62, 7,461,890.82 and 2,240,676.24 is: 3,360,976.70
Step by Step Solution
- Step 1: Write the proportion equation
4,974,649.62 : 7,461,890.82 = 2,240,676.24 : x - Step 2: Convert to fraction form
4,974,649.62/7,461,890.82 = 2,240,676.24/x - Step 3: Cross multiply
4,974,649.62x = 7,461,890.82 × 2,240,676.24 - Step 4: Simplify right side
4,974,649.62x = 16,719,681,465,848.12 - Step 5: Solve for x
x = 16,719,681,465,848.12/4,974,649.62 - Step 6: Final answer
x = 3,360,976.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.