Finding the Fourth Proportional to 6,776,677.62, 9,351,965.97 and 3,720,904.02
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Solution
The fourth proportional to 6,776,677.62, 9,351,965.97 and 3,720,904.02 is: 5,134,930.38
Step by Step Solution
- Step 1: Write the proportion equation
6,776,677.62 : 9,351,965.97 = 3,720,904.02 : x - Step 2: Convert to fraction form
6,776,677.62/9,351,965.97 = 3,720,904.02/x - Step 3: Cross multiply
6,776,677.62x = 9,351,965.97 × 3,720,904.02 - Step 4: Simplify right side
6,776,677.62x = 34,797,767,772,676.20 - Step 5: Solve for x
x = 34,797,767,772,676.20/6,776,677.62 - Step 6: Final answer
x = 5,134,930.38
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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.