Finding the Fourth Proportional to 5,074,372.11, 7,609,730.81 and 1,479,423.63
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Solution
The fourth proportional to 5,074,372.11, 7,609,730.81 and 1,479,423.63 is: 2,218,602.68
Step by Step Solution
- Step 1: Write the proportion equation
5,074,372.11 : 7,609,730.81 = 1,479,423.63 : x - Step 2: Convert to fraction form
5,074,372.11/7,609,730.81 = 1,479,423.63/x - Step 3: Cross multiply
5,074,372.11x = 7,609,730.81 × 1,479,423.63 - Step 4: Simplify right side
5,074,372.11x = 11,258,015,570,855.92 - Step 5: Solve for x
x = 11,258,015,570,855.92/5,074,372.11 - Step 6: Final answer
x = 2,218,602.68
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1.5x scale
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.