Finding the Fourth Proportional to 2,129,997.08, 3,193,814.64 and 709,278.14
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Solution
The fourth proportional to 2,129,997.08, 3,193,814.64 and 709,278.14 is: 1,063,523.95
Step by Step Solution
- Step 1: Write the proportion equation
2,129,997.08 : 3,193,814.64 = 709,278.14 : x - Step 2: Convert to fraction form
2,129,997.08/3,193,814.64 = 709,278.14/x - Step 3: Cross multiply
2,129,997.08x = 3,193,814.64 × 709,278.14 - Step 4: Simplify right side
2,129,997.08x = 2,265,302,907,363.97 - Step 5: Solve for x
x = 2,265,302,907,363.97/2,129,997.08 - Step 6: Final answer
x = 1,063,523.95
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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.