Finding the Fourth Proportional to 1,645,628.46, 2,271,450.06 and 957,462.18
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Solution
The fourth proportional to 1,645,628.46, 2,271,450.06 and 957,462.18 is: 1,321,578.70
Step by Step Solution
- Step 1: Write the proportion equation
1,645,628.46 : 2,271,450.06 = 957,462.18 : x - Step 2: Convert to fraction form
1,645,628.46/2,271,450.06 = 957,462.18/x - Step 3: Cross multiply
1,645,628.46x = 2,271,450.06 × 957,462.18 - Step 4: Simplify right side
1,645,628.46x = 2,174,827,526,208.73 - Step 5: Solve for x
x = 2,174,827,526,208.73/1,645,628.46 - Step 6: Final answer
x = 1,321,578.70
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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.