Finding the Fourth Proportional to 1,964,673.21, 2,709,787.56 and 1,734,824.97
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Solution
The fourth proportional to 1,964,673.21, 2,709,787.56 and 1,734,824.97 is: 2,392,767.97
Step by Step Solution
- Step 1: Write the proportion equation
1,964,673.21 : 2,709,787.56 = 1,734,824.97 : x - Step 2: Convert to fraction form
1,964,673.21/2,709,787.56 = 1,734,824.97/x - Step 3: Cross multiply
1,964,673.21x = 2,709,787.56 × 1,734,824.97 - Step 4: Simplify right side
1,964,673.21x = 4,701,007,126,139.48 - Step 5: Solve for x
x = 4,701,007,126,139.48/1,964,673.21 - Step 6: Final answer
x = 2,392,767.97
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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.