Finding the Fourth Proportional to 2,201,408.70, 3,302,113.05 and 781,608.30
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Solution
The fourth proportional to 2,201,408.70, 3,302,113.05 and 781,608.30 is: 1,172,412.45
Step by Step Solution
- Step 1: Write the proportion equation
2,201,408.70 : 3,302,113.05 = 781,608.30 : x - Step 2: Convert to fraction form
2,201,408.70/3,302,113.05 = 781,608.30/x - Step 3: Cross multiply
2,201,408.70x = 3,302,113.05 × 781,608.30 - Step 4: Simplify right side
2,201,408.70x = 2,580,958,967,418.32 - Step 5: Solve for x
x = 2,580,958,967,418.32/2,201,408.70 - Step 6: Final answer
x = 1,172,412.45
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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.