Finding the Fourth Proportional to 5,074,372.24, 7,609,730.99 and 1,479,423.76
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Solution
The fourth proportional to 5,074,372.24, 7,609,730.99 and 1,479,423.76 is: 2,218,602.87
Step by Step Solution
- Step 1: Write the proportion equation
5,074,372.24 : 7,609,730.99 = 1,479,423.76 : x - Step 2: Convert to fraction form
5,074,372.24/7,609,730.99 = 1,479,423.76/x - Step 3: Cross multiply
5,074,372.24x = 7,609,730.99 × 1,479,423.76 - Step 4: Simplify right side
5,074,372.24x = 11,258,016,795,765.67 - Step 5: Solve for x
x = 11,258,016,795,765.67/5,074,372.24 - Step 6: Final answer
x = 2,218,602.87
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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.