Finding the Fourth Proportional to 2,909,768.88, 4,015,606.20 and 1,620,609.84
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Solution
The fourth proportional to 2,909,768.88, 4,015,606.20 and 1,620,609.84 is: 2,236,511.28
Step by Step Solution
- Step 1: Write the proportion equation
2,909,768.88 : 4,015,606.20 = 1,620,609.84 : x - Step 2: Convert to fraction form
2,909,768.88/4,015,606.20 = 1,620,609.84/x - Step 3: Cross multiply
2,909,768.88x = 4,015,606.20 × 1,620,609.84 - Step 4: Simplify right side
2,909,768.88x = 6,507,730,921,285.01 - Step 5: Solve for x
x = 6,507,730,921,285.01/2,909,768.88 - Step 6: Final answer
x = 2,236,511.28
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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.