Finding the Fourth Proportional to 4,739,378.10, 6,540,327.15 and 2,563,920.68
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Solution
The fourth proportional to 4,739,378.10, 6,540,327.15 and 2,563,920.68 is: 3,538,202.62
Step by Step Solution
- Step 1: Write the proportion equation
4,739,378.10 : 6,540,327.15 = 2,563,920.68 : x - Step 2: Convert to fraction form
4,739,378.10/6,540,327.15 = 2,563,920.68/x - Step 3: Cross multiply
4,739,378.10x = 6,540,327.15 × 2,563,920.68 - Step 4: Simplify right side
4,739,378.10x = 16,768,880,001,148.83 - Step 5: Solve for x
x = 16,768,880,001,148.83/4,739,378.10 - Step 6: Final answer
x = 3,538,202.62
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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.