Finding the Fourth Proportional to 4,422,770.51, 6,103,410.80 and 2,489,031.09
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Solution
The fourth proportional to 4,422,770.51, 6,103,410.80 and 2,489,031.09 is: 3,434,855.87
Step by Step Solution
- Step 1: Write the proportion equation
4,422,770.51 : 6,103,410.80 = 2,489,031.09 : x - Step 2: Convert to fraction form
4,422,770.51/6,103,410.80 = 2,489,031.09/x - Step 3: Cross multiply
4,422,770.51x = 6,103,410.80 × 2,489,031.09 - Step 4: Simplify right side
4,422,770.51x = 15,191,579,220,630.96 - Step 5: Solve for x
x = 15,191,579,220,630.96/4,422,770.51 - Step 6: Final answer
x = 3,434,855.87
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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.