Finding the Fourth Proportional to 1,791,082.71, 2,686,617.99 and 726,122.25
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Solution
The fourth proportional to 1,791,082.71, 2,686,617.99 and 726,122.25 is: 1,089,180.91
Step by Step Solution
- Step 1: Write the proportion equation
1,791,082.71 : 2,686,617.99 = 726,122.25 : x - Step 2: Convert to fraction form
1,791,082.71/2,686,617.99 = 726,122.25/x - Step 3: Cross multiply
1,791,082.71x = 2,686,617.99 × 726,122.25 - Step 4: Simplify right side
1,791,082.71x = 1,950,813,099,789.28 - Step 5: Solve for x
x = 1,950,813,099,789.28/1,791,082.71 - Step 6: Final answer
x = 1,089,180.91
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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.