Finding the Fourth Proportional to 2,248,445.13, 3,102,815.54 and 1,268,386.28
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Solution
The fourth proportional to 2,248,445.13, 3,102,815.54 and 1,268,386.28 is: 1,750,351.20
Step by Step Solution
- Step 1: Write the proportion equation
2,248,445.13 : 3,102,815.54 = 1,268,386.28 : x - Step 2: Convert to fraction form
2,248,445.13/3,102,815.54 = 1,268,386.28/x - Step 3: Cross multiply
2,248,445.13x = 3,102,815.54 × 1,268,386.28 - Step 4: Simplify right side
2,248,445.13x = 3,935,568,638,450.78 - Step 5: Solve for x
x = 3,935,568,638,450.78/2,248,445.13 - Step 6: Final answer
x = 1,750,351.20
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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.