Finding the Fourth Proportional to 3,386,966.19, 4,677,892.53 and 2,230,581.75
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Solution
The fourth proportional to 3,386,966.19, 4,677,892.53 and 2,230,581.75 is: 3,080,757.56
Step by Step Solution
- Step 1: Write the proportion equation
3,386,966.19 : 4,677,892.53 = 2,230,581.75 : x - Step 2: Convert to fraction form
3,386,966.19/4,677,892.53 = 2,230,581.75/x - Step 3: Cross multiply
3,386,966.19x = 4,677,892.53 × 2,230,581.75 - Step 4: Simplify right side
3,386,966.19x = 10,434,421,705,879.33 - Step 5: Solve for x
x = 10,434,421,705,879.33/3,386,966.19 - Step 6: Final answer
x = 3,080,757.56
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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.