Finding the Fourth Proportional to 1,612,181.16, 2,418,184.08 and 490,162.68
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Solution
The fourth proportional to 1,612,181.16, 2,418,184.08 and 490,162.68 is: 735,217.37
Step by Step Solution
- Step 1: Write the proportion equation
1,612,181.16 : 2,418,184.08 = 490,162.68 : x - Step 2: Convert to fraction form
1,612,181.16/2,418,184.08 = 490,162.68/x - Step 3: Cross multiply
1,612,181.16x = 2,418,184.08 × 490,162.68 - Step 4: Simplify right side
1,612,181.16x = 1,185,303,589,386.13 - Step 5: Solve for x
x = 1,185,303,589,386.13/1,612,181.16 - Step 6: Final answer
x = 735,217.37
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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.