Finding the Fourth Proportional to 1,645,769.92, 2,271,618.99 and 957,574.69
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Solution
The fourth proportional to 1,645,769.92, 2,271,618.99 and 957,574.69 is: 1,321,718.68
Step by Step Solution
- Step 1: Write the proportion equation
1,645,769.92 : 2,271,618.99 = 957,574.69 : x - Step 2: Convert to fraction form
1,645,769.92/2,271,618.99 = 957,574.69/x - Step 3: Cross multiply
1,645,769.92x = 2,271,618.99 × 957,574.69 - Step 4: Simplify right side
1,645,769.92x = 2,175,244,850,147.36 - Step 5: Solve for x
x = 2,175,244,850,147.36/1,645,769.92 - Step 6: Final answer
x = 1,321,718.68
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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.