Finding the Fourth Proportional to 1,513,912.28, 2,268,297.81 and 913,612.23
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Solution
The fourth proportional to 1,513,912.28, 2,268,297.81 and 913,612.23 is: 1,368,867.04
Step by Step Solution
- Step 1: Write the proportion equation
1,513,912.28 : 2,268,297.81 = 913,612.23 : x - Step 2: Convert to fraction form
1,513,912.28/2,268,297.81 = 913,612.23/x - Step 3: Cross multiply
1,513,912.28x = 2,268,297.81 × 913,612.23 - Step 4: Simplify right side
1,513,912.28x = 2,072,344,620,498.22 - Step 5: Solve for x
x = 2,072,344,620,498.22/1,513,912.28 - Step 6: Final answer
x = 1,368,867.04
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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.