Finding the Fourth Proportional to 1,656,988.58, 2,286,622.38 and 931,836.08
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Solution
The fourth proportional to 1,656,988.58, 2,286,622.38 and 931,836.08 is: 1,285,921.50
Step by Step Solution
- Step 1: Write the proportion equation
1,656,988.58 : 2,286,622.38 = 931,836.08 : x - Step 2: Convert to fraction form
1,656,988.58/2,286,622.38 = 931,836.08/x - Step 3: Cross multiply
1,656,988.58x = 2,286,622.38 × 931,836.08 - Step 4: Simplify right side
1,656,988.58x = 2,130,757,235,019.47 - Step 5: Solve for x
x = 2,130,757,235,019.47/1,656,988.58 - Step 6: Final answer
x = 1,285,921.50
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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.