Finding the Fourth Proportional to 5,782,279.19, 7,979,426.30 and 3,203,937.41
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Solution
The fourth proportional to 5,782,279.19, 7,979,426.30 and 3,203,937.41 is: 4,421,367.70
Step by Step Solution
- Step 1: Write the proportion equation
5,782,279.19 : 7,979,426.30 = 3,203,937.41 : x - Step 2: Convert to fraction form
5,782,279.19/7,979,426.30 = 3,203,937.41/x - Step 3: Cross multiply
5,782,279.19x = 7,979,426.30 × 3,203,937.41 - Step 4: Simplify right side
5,782,279.19x = 25,565,582,401,020.59 - Step 5: Solve for x
x = 25,565,582,401,020.59/5,782,279.19 - Step 6: Final answer
x = 4,421,367.70
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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.