Finding the Fourth Proportional to 1,408,747.32, 2,113,452.72 and 1,121,644.84
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Solution
The fourth proportional to 1,408,747.32, 2,113,452.72 and 1,121,644.84 is: 1,682,731.39
Step by Step Solution
- Step 1: Write the proportion equation
1,408,747.32 : 2,113,452.72 = 1,121,644.84 : x - Step 2: Convert to fraction form
1,408,747.32/2,113,452.72 = 1,121,644.84/x - Step 3: Cross multiply
1,408,747.32x = 2,113,452.72 × 1,121,644.84 - Step 4: Simplify right side
1,408,747.32x = 2,370,543,337,971.97 - Step 5: Solve for x
x = 2,370,543,337,971.97/1,408,747.32 - Step 6: Final answer
x = 1,682,731.39
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.