Finding the Fourth Proportional to 6,655,836.44, 9,985,248.36 and 2,107,157.24
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Solution
The fourth proportional to 6,655,836.44, 9,985,248.36 and 2,107,157.24 is: 3,161,208.75
Step by Step Solution
- Step 1: Write the proportion equation
6,655,836.44 : 9,985,248.36 = 2,107,157.24 : x - Step 2: Convert to fraction form
6,655,836.44/9,985,248.36 = 2,107,157.24/x - Step 3: Cross multiply
6,655,836.44x = 9,985,248.36 × 2,107,157.24 - Step 4: Simplify right side
6,655,836.44x = 21,040,488,374,972.13 - Step 5: Solve for x
x = 21,040,488,374,972.13/6,655,836.44 - Step 6: Final answer
x = 3,161,208.75
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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.