Finding the Fourth Proportional to 5,143,278.94, 7,714,377.15 and 2,110,965.46
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Solution
The fourth proportional to 5,143,278.94, 7,714,377.15 and 2,110,965.46 is: 3,166,226.04
Step by Step Solution
- Step 1: Write the proportion equation
5,143,278.94 : 7,714,377.15 = 2,110,965.46 : x - Step 2: Convert to fraction form
5,143,278.94/7,714,377.15 = 2,110,965.46/x - Step 3: Cross multiply
5,143,278.94x = 7,714,377.15 × 2,110,965.46 - Step 4: Simplify right side
5,143,278.94x = 16,284,783,709,063.24 - Step 5: Solve for x
x = 16,284,783,709,063.24/5,143,278.94 - Step 6: Final answer
x = 3,166,226.04
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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.