Finding the Fourth Proportional to 3,612,964.22, 5,418,095.68 and 1,453,259.51
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Solution
The fourth proportional to 3,612,964.22, 5,418,095.68 and 1,453,259.51 is: 2,179,345.99
Step by Step Solution
- Step 1: Write the proportion equation
3,612,964.22 : 5,418,095.68 = 1,453,259.51 : x - Step 2: Convert to fraction form
3,612,964.22/5,418,095.68 = 1,453,259.51/x - Step 3: Cross multiply
3,612,964.22x = 5,418,095.68 × 1,453,259.51 - Step 4: Simplify right side
3,612,964.22x = 7,873,899,068,093.87 - Step 5: Solve for x
x = 7,873,899,068,093.87/3,612,964.22 - Step 6: Final answer
x = 2,179,345.99
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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.