Finding the Fourth Proportional to 1,657,034.93, 2,286,507.35 and 921,815.49
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Solution
The fourth proportional to 1,657,034.93, 2,286,507.35 and 921,815.49 is: 1,271,993.64
Step by Step Solution
- Step 1: Write the proportion equation
1,657,034.93 : 2,286,507.35 = 921,815.49 : x - Step 2: Convert to fraction form
1,657,034.93/2,286,507.35 = 921,815.49/x - Step 3: Cross multiply
1,657,034.93x = 2,286,507.35 × 921,815.49 - Step 4: Simplify right side
1,657,034.93x = 2,107,737,888,619.77 - Step 5: Solve for x
x = 2,107,737,888,619.77/1,657,034.93 - Step 6: Final answer
x = 1,271,993.64
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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.