Finding the Fourth Proportional to 4,621,181.72, 6,376,739.84 and 2,555,869.14
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Solution
The fourth proportional to 4,621,181.72, 6,376,739.84 and 2,555,869.14 is: 3,526,827.88
Step by Step Solution
- Step 1: Write the proportion equation
4,621,181.72 : 6,376,739.84 = 2,555,869.14 : x - Step 2: Convert to fraction form
4,621,181.72/6,376,739.84 = 2,555,869.14/x - Step 3: Cross multiply
4,621,181.72x = 6,376,739.84 × 2,555,869.14 - Step 4: Simplify right side
4,621,181.72x = 16,298,112,553,341.44 - Step 5: Solve for x
x = 16,298,112,553,341.44/4,621,181.72 - Step 6: Final answer
x = 3,526,827.88
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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.