Finding the Fourth Proportional to 3,348,980.55, 4,621,540.44 and 1,821,074.31
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Solution
The fourth proportional to 3,348,980.55, 4,621,540.44 and 1,821,074.31 is: 2,513,053.88
Step by Step Solution
- Step 1: Write the proportion equation
3,348,980.55 : 4,621,540.44 = 1,821,074.31 : x - Step 2: Convert to fraction form
3,348,980.55/4,621,540.44 = 1,821,074.31/x - Step 3: Cross multiply
3,348,980.55x = 4,621,540.44 × 1,821,074.31 - Step 4: Simplify right side
3,348,980.55x = 8,416,168,567,910.10 - Step 5: Solve for x
x = 8,416,168,567,910.10/3,348,980.55 - Step 6: Final answer
x = 2,513,053.88
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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.