Finding the Fourth Proportional to 6,810,028.11, 10,215,231.12 and 1,692,251.28
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Solution
The fourth proportional to 6,810,028.11, 10,215,231.12 and 1,692,251.28 is: 2,538,423.87
Step by Step Solution
- Step 1: Write the proportion equation
6,810,028.11 : 10,215,231.12 = 1,692,251.28 : x - Step 2: Convert to fraction form
6,810,028.11/10,215,231.12 = 1,692,251.28/x - Step 3: Cross multiply
6,810,028.11x = 10,215,231.12 × 1,692,251.28 - Step 4: Simplify right side
6,810,028.11x = 17,286,737,938,315.83 - Step 5: Solve for x
x = 17,286,737,938,315.83/6,810,028.11 - Step 6: Final answer
x = 2,538,423.87
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1.5x scale
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.