Finding the Fourth Proportional to 4,023,644.14, 5,550,675.85 and 2,390,895.21
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Solution
The fourth proportional to 4,023,644.14, 5,550,675.85 and 2,390,895.21 is: 3,298,274.86
Step by Step Solution
- Step 1: Write the proportion equation
4,023,644.14 : 5,550,675.85 = 2,390,895.21 : x - Step 2: Convert to fraction form
4,023,644.14/5,550,675.85 = 2,390,895.21/x - Step 3: Cross multiply
4,023,644.14x = 5,550,675.85 × 2,390,895.21 - Step 4: Simplify right side
4,023,644.14x = 13,271,084,296,050.44 - Step 5: Solve for x
x = 13,271,084,296,050.44/4,023,644.14 - Step 6: Final answer
x = 3,298,274.86
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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.