Finding the Fourth Proportional to 1,993,375.32, 2,750,715.27 and 1,122,164.99
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Solution
The fourth proportional to 1,993,375.32, 2,750,715.27 and 1,122,164.99 is: 1,548,507.36
Step by Step Solution
- Step 1: Write the proportion equation
1,993,375.32 : 2,750,715.27 = 1,122,164.99 : x - Step 2: Convert to fraction form
1,993,375.32/2,750,715.27 = 1,122,164.99/x - Step 3: Cross multiply
1,993,375.32x = 2,750,715.27 × 1,122,164.99 - Step 4: Simplify right side
1,993,375.32x = 3,086,756,359,698.82 - Step 5: Solve for x
x = 3,086,756,359,698.82/1,993,375.32 - Step 6: Final answer
x = 1,548,507.36
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.