Finding the Fourth Proportional to 2,243,694.12, 3,096,258.84 and 1,276,804.32
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Solution
The fourth proportional to 2,243,694.12, 3,096,258.84 and 1,276,804.32 is: 1,761,967.74
Step by Step Solution
- Step 1: Write the proportion equation
2,243,694.12 : 3,096,258.84 = 1,276,804.32 : x - Step 2: Convert to fraction form
2,243,694.12/3,096,258.84 = 1,276,804.32/x - Step 3: Cross multiply
2,243,694.12x = 3,096,258.84 × 1,276,804.32 - Step 4: Simplify right side
2,243,694.12x = 3,953,316,662,750.19 - Step 5: Solve for x
x = 3,953,316,662,750.19/2,243,694.12 - Step 6: Final answer
x = 1,761,967.74
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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.