Finding the Fourth Proportional to 1,436,544.80, 2,153,362.84 and 931,425.56
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Solution
The fourth proportional to 1,436,544.80, 2,153,362.84 and 931,425.56 is: 1,396,195.36
Step by Step Solution
- Step 1: Write the proportion equation
1,436,544.80 : 2,153,362.84 = 931,425.56 : x - Step 2: Convert to fraction form
1,436,544.80/2,153,362.84 = 931,425.56/x - Step 3: Cross multiply
1,436,544.80x = 2,153,362.84 × 931,425.56 - Step 4: Simplify right side
1,436,544.80x = 2,005,697,176,034.81 - Step 5: Solve for x
x = 2,005,697,176,034.81/1,436,544.80 - Step 6: Final answer
x = 1,396,195.36
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.