Finding the Fourth Proportional to 2,138,922.72, 3,209,098.97 and 699,671.79
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Solution
The fourth proportional to 2,138,922.72, 3,209,098.97 and 699,671.79 is: 1,049,741.54
Step by Step Solution
- Step 1: Write the proportion equation
2,138,922.72 : 3,209,098.97 = 699,671.79 : x - Step 2: Convert to fraction form
2,138,922.72/3,209,098.97 = 699,671.79/x - Step 3: Cross multiply
2,138,922.72x = 3,209,098.97 × 699,671.79 - Step 4: Simplify right side
2,138,922.72x = 2,245,316,022,376.24 - Step 5: Solve for x
x = 2,245,316,022,376.24/2,138,922.72 - Step 6: Final answer
x = 1,049,741.54
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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.