Finding the Fourth Proportional to 2,791,064.28, 3,846,593.16 and 2,178,898.68
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Solution
The fourth proportional to 2,791,064.28, 3,846,593.16 and 2,178,898.68 is: 3,002,917.85
Step by Step Solution
- Step 1: Write the proportion equation
2,791,064.28 : 3,846,593.16 = 2,178,898.68 : x - Step 2: Convert to fraction form
2,791,064.28/3,846,593.16 = 2,178,898.68/x - Step 3: Cross multiply
2,791,064.28x = 3,846,593.16 × 2,178,898.68 - Step 4: Simplify right side
2,791,064.28x = 8,381,336,758,821.03 - Step 5: Solve for x
x = 8,381,336,758,821.03/2,791,064.28 - Step 6: Final answer
x = 3,002,917.85
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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.