Finding the Fourth Proportional to 4,780,650.97, 7,172,377.86 and 1,542,123.96
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Solution
The fourth proportional to 4,780,650.97, 7,172,377.86 and 1,542,123.96 is: 2,313,637.99
Step by Step Solution
- Step 1: Write the proportion equation
4,780,650.97 : 7,172,377.86 = 1,542,123.96 : x - Step 2: Convert to fraction form
4,780,650.97/7,172,377.86 = 1,542,123.96/x - Step 3: Cross multiply
4,780,650.97x = 7,172,377.86 × 1,542,123.96 - Step 4: Simplify right side
4,780,650.97x = 11,060,695,704,507.02 - Step 5: Solve for x
x = 11,060,695,704,507.02/4,780,650.97 - Step 6: Final answer
x = 2,313,637.99
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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.