Finding the Fourth Proportional to 2,690,849.97, 4,036,289.54 and 696,305.97
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Solution
The fourth proportional to 2,690,849.97, 4,036,289.54 and 696,305.97 is: 1,044,462.73
Step by Step Solution
- Step 1: Write the proportion equation
2,690,849.97 : 4,036,289.54 = 696,305.97 : x - Step 2: Convert to fraction form
2,690,849.97/4,036,289.54 = 696,305.97/x - Step 3: Cross multiply
2,690,849.97x = 4,036,289.54 × 696,305.97 - Step 4: Simplify right side
2,690,849.97x = 2,810,492,499,869.02 - Step 5: Solve for x
x = 2,810,492,499,869.02/2,690,849.97 - Step 6: Final answer
x = 1,044,462.73
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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.