Finding the Fourth Proportional to 3,105,506.97, 4,287,281.81 and 2,178,062.91
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Solution
The fourth proportional to 3,105,506.97, 4,287,281.81 and 2,178,062.91 is: 3,006,906.63
Step by Step Solution
- Step 1: Write the proportion equation
3,105,506.97 : 4,287,281.81 = 2,178,062.91 : x - Step 2: Convert to fraction form
3,105,506.97/4,287,281.81 = 2,178,062.91/x - Step 3: Cross multiply
3,105,506.97x = 4,287,281.81 × 2,178,062.91 - Step 4: Simplify right side
3,105,506.97x = 9,337,969,484,188.35 - Step 5: Solve for x
x = 9,337,969,484,188.35/3,105,506.97 - Step 6: Final answer
x = 3,006,906.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.