Finding the Fourth Proportional to 5,366,764.13, 7,405,917.35 and 2,919,378.02
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Solution
The fourth proportional to 5,366,764.13, 7,405,917.35 and 2,919,378.02 is: 4,028,623.54
Step by Step Solution
- Step 1: Write the proportion equation
5,366,764.13 : 7,405,917.35 = 2,919,378.02 : x - Step 2: Convert to fraction form
5,366,764.13/7,405,917.35 = 2,919,378.02/x - Step 3: Cross multiply
5,366,764.13x = 7,405,917.35 × 2,919,378.02 - Step 4: Simplify right side
5,366,764.13x = 21,620,672,277,900.17 - Step 5: Solve for x
x = 21,620,672,277,900.17/5,366,764.13 - Step 6: Final answer
x = 4,028,623.54
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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.