Finding the Fourth Proportional to 1,925,299.20, 2,656,807.50 and 1,053,965.36
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Solution
The fourth proportional to 1,925,299.20, 2,656,807.50 and 1,053,965.36 is: 1,454,414.50
Step by Step Solution
- Step 1: Write the proportion equation
1,925,299.20 : 2,656,807.50 = 1,053,965.36 : x - Step 2: Convert to fraction form
1,925,299.20/2,656,807.50 = 1,053,965.36/x - Step 3: Cross multiply
1,925,299.20x = 2,656,807.50 × 1,053,965.36 - Step 4: Simplify right side
1,925,299.20x = 2,800,183,073,188.20 - Step 5: Solve for x
x = 2,800,183,073,188.20/1,925,299.20 - Step 6: Final answer
x = 1,454,414.50
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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.