Finding the Fourth Proportional to 4,378,408.20, 6,567,612.30 and 4,079,809.80
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Solution
The fourth proportional to 4,378,408.20, 6,567,612.30 and 4,079,809.80 is: 6,119,714.70
Step by Step Solution
- Step 1: Write the proportion equation
4,378,408.20 : 6,567,612.30 = 4,079,809.80 : x - Step 2: Convert to fraction form
4,378,408.20/6,567,612.30 = 4,079,809.80/x - Step 3: Cross multiply
4,378,408.20x = 6,567,612.30 × 4,079,809.80 - Step 4: Simplify right side
4,378,408.20x = 26,794,609,024,140.54 - Step 5: Solve for x
x = 26,794,609,024,140.54/4,378,408.20 - Step 6: Final answer
x = 6,119,714.70
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1.5x scale
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.