Finding the Fourth Proportional to 4,115,847.60, 6,173,771.40 and 1,276,246.80
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Solution
The fourth proportional to 4,115,847.60, 6,173,771.40 and 1,276,246.80 is: 1,914,370.20
Step by Step Solution
- Step 1: Write the proportion equation
4,115,847.60 : 6,173,771.40 = 1,276,246.80 : x - Step 2: Convert to fraction form
4,115,847.60/6,173,771.40 = 1,276,246.80/x - Step 3: Cross multiply
4,115,847.60x = 6,173,771.40 × 1,276,246.80 - Step 4: Simplify right side
4,115,847.60x = 7,879,255,993,181.52 - Step 5: Solve for x
x = 7,879,255,993,181.52/4,115,847.60 - Step 6: Final answer
x = 1,914,370.20
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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.