Finding the Fourth Proportional to 2,690,854.79, 4,036,296.81 and 696,310.79
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Solution
The fourth proportional to 2,690,854.79, 4,036,296.81 and 696,310.79 is: 1,044,469.97
Step by Step Solution
- Step 1: Write the proportion equation
2,690,854.79 : 4,036,296.81 = 696,310.79 : x - Step 2: Convert to fraction form
2,690,854.79/4,036,296.81 = 696,310.79/x - Step 3: Cross multiply
2,690,854.79x = 4,036,296.81 × 696,310.79 - Step 4: Simplify right side
2,690,854.79x = 2,810,517,020,445.58 - Step 5: Solve for x
x = 2,810,517,020,445.58/2,690,854.79 - Step 6: Final answer
x = 1,044,469.97
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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.