Finding the Fourth Proportional to 4,196,967.45, 6,296,551.34 and 1,318,217.99
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Solution
The fourth proportional to 4,196,967.45, 6,296,551.34 and 1,318,217.99 is: 1,977,672.52
Step by Step Solution
- Step 1: Write the proportion equation
4,196,967.45 : 6,296,551.34 = 1,318,217.99 : x - Step 2: Convert to fraction form
4,196,967.45/6,296,551.34 = 1,318,217.99/x - Step 3: Cross multiply
4,196,967.45x = 6,296,551.34 × 1,318,217.99 - Step 4: Simplify right side
4,196,967.45x = 8,300,227,213,272.76 - Step 5: Solve for x
x = 8,300,227,213,272.76/4,196,967.45 - Step 6: Final answer
x = 1,977,672.52
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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.