Finding the Fourth Proportional to 5,349,114.90, 8,023,672.35 and 1,982,625.30
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Solution
The fourth proportional to 5,349,114.90, 8,023,672.35 and 1,982,625.30 is: 2,973,937.95
Step by Step Solution
- Step 1: Write the proportion equation
5,349,114.90 : 8,023,672.35 = 1,982,625.30 : x - Step 2: Convert to fraction form
5,349,114.90/8,023,672.35 = 1,982,625.30/x - Step 3: Cross multiply
5,349,114.90x = 8,023,672.35 × 1,982,625.30 - Step 4: Simplify right side
5,349,114.90x = 15,907,935,800,020.46 - Step 5: Solve for x
x = 15,907,935,800,020.46/5,349,114.90 - Step 6: Final answer
x = 2,973,937.95
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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.