Finding the Fourth Proportional to 2,749,801.12, 3,795,181.62 and 1,603,881.44
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Solution
The fourth proportional to 2,749,801.12, 3,795,181.62 and 1,603,881.44 is: 2,213,622.40
Step by Step Solution
- Step 1: Write the proportion equation
2,749,801.12 : 3,795,181.62 = 1,603,881.44 : x - Step 2: Convert to fraction form
2,749,801.12/3,795,181.62 = 1,603,881.44/x - Step 3: Cross multiply
2,749,801.12x = 3,795,181.62 × 1,603,881.44 - Step 4: Simplify right side
2,749,801.12x = 6,087,021,361,747.13 - Step 5: Solve for x
x = 6,087,021,361,747.13/2,749,801.12 - Step 6: Final answer
x = 2,213,622.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.