Finding the Fourth Proportional to 5,236,814.72, 7,226,847.60 and 2,944,955.36
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Solution
The fourth proportional to 5,236,814.72, 7,226,847.60 and 2,944,955.36 is: 4,064,062.74
Step by Step Solution
- Step 1: Write the proportion equation
5,236,814.72 : 7,226,847.60 = 2,944,955.36 : x - Step 2: Convert to fraction form
5,236,814.72/7,226,847.60 = 2,944,955.36/x - Step 3: Cross multiply
5,236,814.72x = 7,226,847.60 × 2,944,955.36 - Step 4: Simplify right side
5,236,814.72x = 21,282,743,575,523.13 - Step 5: Solve for x
x = 21,282,743,575,523.13/5,236,814.72 - Step 6: Final answer
x = 4,064,062.74
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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.