Finding the Fourth Proportional to 5,305,780.38, 7,314,562.68 and 4,486,697.82
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Solution
The fourth proportional to 5,305,780.38, 7,314,562.68 and 4,486,697.82 is: 6,185,373.32
Step by Step Solution
- Step 1: Write the proportion equation
5,305,780.38 : 7,314,562.68 = 4,486,697.82 : x - Step 2: Convert to fraction form
5,305,780.38/7,314,562.68 = 4,486,697.82/x - Step 3: Cross multiply
5,305,780.38x = 7,314,562.68 × 4,486,697.82 - Step 4: Simplify right side
5,305,780.38x = 32,818,232,430,609.36 - Step 5: Solve for x
x = 32,818,232,430,609.36/5,305,780.38 - Step 6: Final answer
x = 6,185,373.32
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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.