Finding the Fourth Proportional to 5,064,245.13, 6,988,658.07 and 2,772,405.81
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Solution
The fourth proportional to 5,064,245.13, 6,988,658.07 and 2,772,405.81 is: 3,825,919.90
Step by Step Solution
- Step 1: Write the proportion equation
5,064,245.13 : 6,988,658.07 = 2,772,405.81 : x - Step 2: Convert to fraction form
5,064,245.13/6,988,658.07 = 2,772,405.81/x - Step 3: Cross multiply
5,064,245.13x = 6,988,658.07 × 2,772,405.81 - Step 4: Simplify right side
5,064,245.13x = 19,375,396,237,371.39 - Step 5: Solve for x
x = 19,375,396,237,371.39/5,064,245.13 - Step 6: Final answer
x = 3,825,919.90
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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.