Finding the Fourth Proportional to 2,214,643.70, 3,321,965.55 and 1,204,249.70
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Solution
The fourth proportional to 2,214,643.70, 3,321,965.55 and 1,204,249.70 is: 1,806,374.55
Step by Step Solution
- Step 1: Write the proportion equation
2,214,643.70 : 3,321,965.55 = 1,204,249.70 : x - Step 2: Convert to fraction form
2,214,643.70/3,321,965.55 = 1,204,249.70/x - Step 3: Cross multiply
2,214,643.70x = 3,321,965.55 × 1,204,249.70 - Step 4: Simplify right side
2,214,643.70x = 4,000,476,016,997.83 - Step 5: Solve for x
x = 4,000,476,016,997.83/2,214,643.70 - Step 6: Final answer
x = 1,806,374.55
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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.