Finding the Fourth Proportional to 5,081,994.10, 7,621,372.77 and 1,669,488.63
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Solution
The fourth proportional to 5,081,994.10, 7,621,372.77 and 1,669,488.63 is: 2,503,701.29
Step by Step Solution
- Step 1: Write the proportion equation
5,081,994.10 : 7,621,372.77 = 1,669,488.63 : x - Step 2: Convert to fraction form
5,081,994.10/7,621,372.77 = 1,669,488.63/x - Step 3: Cross multiply
5,081,994.10x = 7,621,372.77 × 1,669,488.63 - Step 4: Simplify right side
5,081,994.10x = 12,723,795,184,506.60 - Step 5: Solve for x
x = 12,723,795,184,506.60/5,081,994.10 - Step 6: Final answer
x = 2,503,701.29
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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.