Finding the Fourth Proportional to 2,909,774.88, 4,015,614.48 and 1,620,615.84
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Solution
The fourth proportional to 2,909,774.88, 4,015,614.48 and 1,620,615.84 is: 2,236,519.56
Step by Step Solution
- Step 1: Write the proportion equation
2,909,774.88 : 4,015,614.48 = 1,620,615.84 : x - Step 2: Convert to fraction form
2,909,774.88/4,015,614.48 = 1,620,615.84/x - Step 3: Cross multiply
2,909,774.88x = 4,015,614.48 × 1,620,615.84 - Step 4: Simplify right side
2,909,774.88x = 6,507,768,433,621.36 - Step 5: Solve for x
x = 6,507,768,433,621.36/2,909,774.88 - Step 6: Final answer
x = 2,236,519.56
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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.