Finding the Fourth Proportional to 4,732,434.68, 7,099,849.02 and 1,320,720.68
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Solution
The fourth proportional to 4,732,434.68, 7,099,849.02 and 1,320,720.68 is: 1,981,415.08
Step by Step Solution
- Step 1: Write the proportion equation
4,732,434.68 : 7,099,849.02 = 1,320,720.68 : x - Step 2: Convert to fraction form
4,732,434.68/7,099,849.02 = 1,320,720.68/x - Step 3: Cross multiply
4,732,434.68x = 7,099,849.02 × 1,320,720.68 - Step 4: Simplify right side
4,732,434.68x = 9,376,917,425,591.73 - Step 5: Solve for x
x = 9,376,917,425,591.73/4,732,434.68 - Step 6: Final answer
x = 1,981,415.08
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.