Finding the Fourth Proportional to 2,119,574.66, 3,179,477.19 and 699,757.70
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Solution
The fourth proportional to 2,119,574.66, 3,179,477.19 and 699,757.70 is: 1,049,674.58
Step by Step Solution
- Step 1: Write the proportion equation
2,119,574.66 : 3,179,477.19 = 699,757.70 : x - Step 2: Convert to fraction form
2,119,574.66/3,179,477.19 = 699,757.70/x - Step 3: Cross multiply
2,119,574.66x = 3,179,477.19 × 699,757.70 - Step 4: Simplify right side
2,119,574.66x = 2,224,863,645,676.86 - Step 5: Solve for x
x = 2,224,863,645,676.86/2,119,574.66 - Step 6: Final answer
x = 1,049,674.58
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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.