Finding the Fourth Proportional to 4,900,505.13, 6,762,861.38 and 2,695,461.23
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Solution
The fourth proportional to 4,900,505.13, 6,762,861.38 and 2,695,461.23 is: 3,719,826.87
Step by Step Solution
- Step 1: Write the proportion equation
4,900,505.13 : 6,762,861.38 = 2,695,461.23 : x - Step 2: Convert to fraction form
4,900,505.13/6,762,861.38 = 2,695,461.23/x - Step 3: Cross multiply
4,900,505.13x = 6,762,861.38 × 2,695,461.23 - Step 4: Simplify right side
4,900,505.13x = 18,229,030,677,300.11 - Step 5: Solve for x
x = 18,229,030,677,300.11/4,900,505.13 - Step 6: Final answer
x = 3,719,826.87
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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.