Finding the Fourth Proportional to 7,447,209.19, 11,170,814.39 and 2,398,519.69
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Solution
The fourth proportional to 7,447,209.19, 11,170,814.39 and 2,398,519.69 is: 3,597,779.73
Step by Step Solution
- Step 1: Write the proportion equation
7,447,209.19 : 11,170,814.39 = 2,398,519.69 : x - Step 2: Convert to fraction form
7,447,209.19/11,170,814.39 = 2,398,519.69/x - Step 3: Cross multiply
7,447,209.19x = 11,170,814.39 × 2,398,519.69 - Step 4: Simplify right side
7,447,209.19x = 26,793,418,236,825.15 - Step 5: Solve for x
x = 26,793,418,236,825.15/7,447,209.19 - Step 6: Final answer
x = 3,597,779.73
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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.