Finding the Fourth Proportional to 3,176,346.60, 4,764,519.90 and 2,698,049.70
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Solution
The fourth proportional to 3,176,346.60, 4,764,519.90 and 2,698,049.70 is: 4,047,074.55
Step by Step Solution
- Step 1: Write the proportion equation
3,176,346.60 : 4,764,519.90 = 2,698,049.70 : x - Step 2: Convert to fraction form
3,176,346.60/4,764,519.90 = 2,698,049.70/x - Step 3: Cross multiply
3,176,346.60x = 4,764,519.90 × 2,698,049.70 - Step 4: Simplify right side
3,176,346.60x = 12,854,911,486,839.03 - Step 5: Solve for x
x = 12,854,911,486,839.03/3,176,346.60 - Step 6: Final answer
x = 4,047,074.55
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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.